| Oppenheim, E. Phillips | Chronicles of Melhampton | 1928 |
| Oppenheim, E. Phillips | Crooks in the Sunshine | 1933 |
| Oppenheim, E. Phillips | Envoy Extraordinary | 1937 |
| Oppenheim, E. Phillips | Exit A Dictator | 1939 |
| Oppenheim, E. Phillips | False Evidence | 1911 |
| Oppenheim, E. Phillips | Floating Peril [The Bird of Paradise] [The Story Without a Title] | 1935 |
| Oppenheim, E. Phillips | Gabriel Samara, Peacemaker | 1925 |
| Oppenheim, E. Phillips | General Besserley's Second Puzzle Box | 1940 |
| Oppenheim, E. Phillips | General Besserley’s Puzzle Box | 1935 |
| Oppenheim, E. Phillips | Inspector Dickins Retires [Gangster's Glory] | 1931 |
| Oppenheim, E. Phillips | Jacob's Ladder | 1921 |
| Oppenheim, E. Phillips | Jennerton & Co. | 1929 |
| Oppenheim, E. Phillips | Jeremiah and the Princess | 1933 |
| Oppenheim, E. Phillips | Last Train Out | 1940 |
| Oppenheim, E. Phillips | Matorni's Vineyard | 1928 |
| Oppenheim, E. Phillips | Michael's Evil Deeds | 1921 |
| Oppenheim, E. Phillips | Miss Brown of X. Y. O. | 1927 |
| Oppenheim, E. Phillips | Mr. Grex of Monte Carlo | 1915 |
| Oppenheim, E. Phillips | Mr. Marx's Secret | 1899 |
| Oppenheim, E. Phillips | Murder at Monte Carlo | 1933 |
| Oppenheim, E. Phillips | Mysterious Mr. Sabin | 1898 |
| Oppenheim, E. Phillips | Nicholas Goade, Detective | 1927 |
| Oppenheim, E. Phillips | Peter Ruff and the Double-Four | 1912 |
| Oppenheim, E. Phillips | Prodigals of Monte Carlo | 1926 |
| Oppenheim, E. Phillips | Recalled by the Double-Four | 1912 |
| Oppenheim, E. Phillips | Sinners Beware | 1932 |
| Oppenheim, E. Phillips | Sir Adam Disappeared | 1939 |
| Oppenheim, E. Phillips | Stolen Idols | 1925 |
| Oppenheim, E. Phillips | The Adventures of Mr. Joseph P. Cray | 1925 |
| Oppenheim, E. Phillips | The Amazing Partnership | 1914 |
| Oppenheim, E. Phillips | The Battle of Basinghall Street | 1935 |
| Oppenheim, E. Phillips | The Channay Syndicate | 1927 |
| Oppenheim, E. Phillips | The Colossus of Arcadia | 1938 |
| Oppenheim, E. Phillips | The Curious Happenings to the Rooke Legatees | 1935 |
| Oppenheim, E. Phillips | The Ex-Detective | 1933 |
| Oppenheim, E. Phillips | The Gallows of Chance | 1933 |
| Oppenheim, E. Phillips | The Golden Beast | 1925 |
| Oppenheim, E. Phillips | The Golden Web | 1911 |
| Oppenheim, E. Phillips | The Grassleyes Mystery | 1940 |
| Oppenheim, E. Phillips | The Hillman | 1917 |
| Oppenheim, E. Phillips | The Inevitable Millionaires | 1919 |
| Oppenheim, E. Phillips | The Interloper [The Ex-Duke] | 1927 |
| Oppenheim, E. Phillips | The Light Beyond | 1928 |
| Oppenheim, E. Phillips | The Magnificent Hoax [Judy of Bunter’s Buildings] | 1935 |
| Oppenheim, E. Phillips | The Man From Sing Sing [Moran Chambers Smiled] | 1932 |
| Oppenheim, E. Phillips | The Man Who Changed His Plea | 1942 |
| Oppenheim, E. Phillips | The Man Without Nerves | 1934 |
| Oppenheim, E. Phillips | The Million Pound Deposit | 1929 |
| Oppenheim, E. Phillips | The Missioner | 1908 |
| Oppenheim, E. Phillips | The Moving Finger [A Falling Star] | 1911 |
| Oppenheim, E. Phillips | The Mystery of Mr Bernard Brown | 1896 |
| Oppenheim, E. Phillips | The Ostrekoff Jewels | 1932 |
| Oppenheim, E. Phillips | The Passionate Quest | 1923 |
| Oppenheim, E. Phillips | The Seven Conundrums | 1923 |
| Oppenheim, E. Phillips | The Spy Paramount | 1935 |
| Oppenheim, E. Phillips | The Spymaster | 1938 |
| Oppenheim, E. Phillips | The Strange Boarders of Palace Crescent | 1934 |
| Oppenheim, E. Phillips | The Strangers' Gate | 1939 |
| Oppenheim, E. Phillips | The Terrible Hobby of Sir Joseph Londe, Bart. | 1927 |
| Oppenheim, E. Phillips | The Traitors | 1902 |
| Oppenheim, E. Phillips | The Treasure House of Martin Hews | 1929 |
| Oppenheim, E. Phillips | The Way of These Women | 1914 |
| Oppenheim, E. Phillips | The Wicked Marquis | 1919 |
| Oppenheim, E. Phillips | The Wrath to Come | 1924 |
| Oppenheim, E. Phillips | The Zeppelin's Passenger | 1918 |
| Oppenheim, E. Phillips | Up the Ladder of Gold | 1931 |
| Oppenheim, E. Phillips | What Happened to Forester | 1927 |
| Orczy, Baroness Emmuska | A Joyous Adventure | 1932 |
| Orczy, Baroness Emmuska | Beau Brocade: A Romance | 1912 |
| Orczy, Baroness Emmuska | His Majesty's Well-Beloved: An Episode in the Life of Mr. Thomas Betteron as told by His Friend John Honeywood | 1919 |
| Orczy, Baroness Emmuska | Lady Molly of Scotland Yard | 1910 |
| Orczy, Baroness Emmuska | Leatherface: A Tale of Old Flanders | 1916 |
| Orczy, Baroness Emmuska | Marivosa | 1930 |
| Orczy, Baroness Emmuska | Sir Percy Hits Back (Scarlet Pimpernel #9) | 1927 |
| Orczy, Baroness Emmuska | Sir Percy Leads the Band. A Scarlet Pimpernel Novel. | 1936 |
| Orczy, Baroness Emmuska | The Celestial City | 1926 |
| Orczy, Baroness Emmuska | The Honourable Jim | 1924 |
| Orczy, Baroness Emmuska | The Triumph of the Scarlet Pimpernel | 1922 |
| Orczy, Baroness Emmuska | The Uncrowned King | 1935 |
| Orzeszkowa, Eliza | Babunia | 1907 |
| Orzeszkowa, Eliza | Panna Antonina | 1907 |
| Orzeszkowa, Eliza | Panna Róża | 1909 |
| Ossip-Lourié | La philosophie russe contemporaine | 1902 |
| Ossip-Lourié | Pensées de Tolstoï | 1898 |
| Ostenso, Martha | Escape in Spring | 1939 |
| Ostenso, Martha | The Bridge | 1934 |
| Ostenso, Martha | The Doctor's Story | 1945 |
| Ostenso, Martha | The Dreamer | 1938 |
| Ostenso, Martha | The Last Mad Sky | 1935 |
| Ostenso, Martha | White Tryst | 1928 |
| Ostenso, Martha | Wife In Law | 1939 |
| Otway, Thomas | The Orphan, or, The Unhappy Marriage | 1680 |
| Otway, Thomas | Venice Preserv'd | 1682 |
| Oursler, Charles Fulton | Murder of a Startled Lady [About the Murder of a Startled Lady] | 1936 |
| Owen, Will | Old London Town | 1922 |
| Oxley, James Macdonald | Donalblane of Darien | 1902 |
| Oxley, James Macdonald | In Paths of Peril: A Boy's Adventures in Nova Scotia | 1903 |
| Oxley, James Macdonald | My Strange Rescue and other stories of Sport and Adventure in Canada | 1895 |
| Oxley, James Macdonald | Terry's Trials and Triumphs | 1900 |
| Oxley, James Macdonald | The Boy Tramps, or Across Canada | 1896 |
| Oxley, James Macdonald | The Wreckers of Sable Island | 1897 |
| Oxley, James Macdonald | The Young Nor'-Wester | 1894 |
| Oxley, James Macdonald | Ti-Ti-Pu: A Boy of Red River | 1900 |
| Packard, Frank Lucius | Jimmie Dale and the Blue Envelope Murder (Jimmie Dale #4) | 1930 |
| Packard, Frank Lucius | Jimmie Dale and the Phantom Clue (Jimmie Dale #3) | 1922 |
| Packard, Frank Lucius | The Adventures of Jimmie Dale (Jimmie Dale #1) | 1917 |
| Packard, Frank Lucius | The Four Stragglers | 1923 |
| Packard, Frank Lucius | The Red Ledger | 1926 |
| Page, Lorena M. | Legendary Lore of Mackinac | 1901 |
| Paget, Violet | Belcaro: Being Essays on Sundry Æsthetical Questions | 1881 |
| Paget, Violet | Hortus Vitae: Essays on the Gardening of Life | 1904 |
| Paget, Violet | Renaissance Fancies and Studies: Being a Sequel to Euphorion | 1895 |
| Paget, Violet | The Countess of Albany | 1884 |
| Paget, Violet | The Handling of Words and Other Studies in Literary Psychology | 1923 |
| Paget, Violet | The Spirit of Rome & Laurus Nobilis | 1906 |
| Paget, Violet | Vanitas: Polite Stories | 1892 |
| Pain, Arthur Wellesley | Water Wizardry | 1922 |
| Painter, Sidney | French Chivalry: Chivalric Ideas and Practices in Mediaeval France | 1940 |
| Panneton, Philippe | L'Héritage et autres contes | 1946 |
| Panneton, Philippe | Trente Arpents | 1938 |
| Parker, Dorothy | Big Blonde | 1929 |
| Parker, Gilbert | Old Québec: The Fortress of New France | 1903 |
| Parkman, Francis | Historic handbook of the northern tour. Lakes George and Champlain; Niagara; Montreal; Quebec | 1885 |
| Parrish, Anne | The Perennial Bachelor | 1925 |
| Parrott, Sir (James) Edward | The Children's Story of the War Volume 1 of 10. From the Beginning of the War to the Landing of the British Army in France | 1916 |
| Parrott, Sir (James) Edward | The Children's Story of the War Volume 2 of 10. From the Battle of Mons to the Fall of Antwerp | 1916 |
| Parrott, Sir (James) Edward | The Children's Story of the War Volume 3 of 10. From the First Battle of Ypres to the End of the Year 1914 | 1916 |
| Parrott, Sir (James) Edward | The Children's Story of the War Volume 4 of 10. The Story of the Year 1915 | 1916 |
| Parrott, Sir (James) Edward | The Children's Story of the War, Volume 5: The First Six Months of the Year 1916 | 1917 |
| Parrott, Sir (James) Edward | The Pageant of British History | 1908 |
| Parsons, Reuben | Some Lies and Errors of History | 1893 |
| Parsons, Samuel Browne | Parsons on the Rose: A treatise on the propagation, culture, and history of the rose | 1888 |
| Péguy, Charles | Les œuvres complètes de Charles Péguy [tome 01] | 1917 |
| Pemberton, Max | The Diamond Ship | 1912 |
| Perkins, J. R. | The Emperor's Physician | 1944 |
| Phillpotts, Eden | A Deal with The Devil | 1895 |
| Phillpotts, Eden | Lycanthrope: The Mystery of Sir William Wolf | 1938 |
| Phillpotts, Eden | Pixies' Plot | 1922 |
| Phillpotts, Eden | Saurus | 1938 |
| Phillpotts, Eden | Sons of the Morning | 1900 |
| Phillpotts, Eden | The Farmer's Wife: A Comedy in Three Acts | 1917 |
| Phillpotts, Eden | The Human Boy Again | 1908 |
| Phillpotts, Eden | The Human Boy and the War | 1916 |
| Phillpotts, Eden | The Virgin in Judgment | 1908 |
| Pickthall, Marjorie Lowry Christie | Angels’ Shoes and other stories | 1923 |
| Pickthall, Marjorie Lowry Christie | Little Hearts | 1926 |
| Pierce, Lorne Albert | New History for Old. Discussions on Aims and Methods in Writing and Teaching History | 1931 |
| Pierce, Lorne Albert | The Selected Poems of Marjorie Pickthall | 1957 |
| Pierce, Lorne Albert | Three Fredericton Poets. Writers of the University of New Brunswick and the New Dominion. Alumni Oration, Encania, May 19, 1933 | 1933 |
| Pierce, Lorne Albert | Unexplored Fields of Canadian Literature | 1932 |
| Pincock, Jenny O'Hara | Hidden Springs | 1949 |
| Piper, H. Beam | Dearest | 1951 |
| Piper, H. Beam | Down Styphon! | 1965 |
| Piper, H. Beam | Fuzzy Sapiens | 1964 |
| Piper, H. Beam | Lord Kalvan of Otherwhen | 1965 |
| Planck, Max | The Universe in the Light of Modern Physics | 1931 |
| Plath, Sylvia | The Bell Jar | 1963 |
| Plath, Sylvia | The Colossus | 1960 |
| Plato | Socratic Discourses | 1910 |
| Pletsch, Oscar | Child-land: picture-pages for the little ones | 1873 |
| Plunkett, Edward 18th Baron of Dunsany | A Night at an Inn. A Play in One Act | 1916 |
| Plunkett, Edward 18th Baron of Dunsany | Atalanta in Wimbledon | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | Guerrilla | 1944 |
| Plunkett, Edward 18th Baron of Dunsany | His Sainted Grandmother | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | In Holy Russia | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | Misadventure | 1954 |
| Plunkett, Edward 18th Baron of Dunsany | Plays for Earth and Air | 1937 |
| Plunkett, Edward 18th Baron of Dunsany | Seven Modern Comedies | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The Hopeless Passion of Mr. Bunyon | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The Jest of Hahalaba | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The Journey of the Soul | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The King of Elfland's Daughter | 1927 |
| Plunkett, Edward 18th Baron of Dunsany | The Raffle | 1928 |
| Pollard, A. O. | The Murder Germ | 1937 |
| Poole, Ernest | The Harbor | 1915 |
| Poole, Reginald Heber | The Wagoner's Halt Mystery | 1940 |
| Poole, Reginald Lane | Wycliffe and Movements for Reform | 1903 |
| Pope, Sir Joseph | The Day of Sir John Macdonald: A Chronicle of The First prime minister of the Dominion (Chronicles of Canada #29) | 1920 |
| Postl, Karl Anton | Die Erzählung des Obersten Morse | 1841 |
| Potter, Helen Beatrix | Fairy Caravan | 1929 |
| Potter, Helen Beatrix | The Tale of Little Pig Robinson | 1930 |
| Pratt, E. J. (Edwin John Dove) | Behind the Log | 1947 |
| Pratt, E. J. (Edwin John Dove) | Brébeuf and His Brethren | 1940 |
| Pratt, E. J. (Edwin John Dove) | Many Moods | 1932 |
| Pratt, E. J. (Edwin John Dove) | Newfoundland Verse | 1923 |
| Pratt, E. J. (Edwin John Dove) | The Fable of the Goats and Other Poems | 1937 |
| Pratt, E. J. (Edwin John Dove) | The Iron Door (An Ode) | 1927 |
| Pratt, E. J. (Edwin John Dove) | The Roosevelt and the Antinoe | 1930 |
| Pratt, E. J. (Edwin John Dove) | The Witches' Brew | 1925 |
| Pratt, E. J. (Edwin John Dove) | They are Returning | 1945 |
| Pratt, E. J. (Edwin John Dove) | Titans | 1926 |
| Pratt, E. J. (Edwin John Dove) | Towards the Last Spike. A verse-panorama of the struggle to build the first Canadian transcontinental from the time of the proposed Terms of Union with British Columbia (1870) to the hammering of the Last Spike in the Eagle Pass (1885). | 1952 |
| Pratt, Fletcher | Alien Planet | 1932 |
| Pratt, Fletcher | Double Jeopardy | 1952 |
| Pratt, Fletcher | Official Record | 1952 |
| Pratt, Fletcher | The Battles that Changed History | 1956 |
| Pratt, Fletcher | The Blue Star | 1952 |
| Pratt, Fletcher | The Well of the Unicorn | 1948 |
| Price-Brown, John | How Hartman Won. A Story of Old Ontario | 1903 |
| Price-Brown, John | In the van: or, The Builders | 1906 |
| Price-Brown, John | Laura the Undaunted. A Canadian Historical Romance. | 1930 |
| Price-Brown, John | The Mac's of '37 A Story of The Canadian Rebellion | 1910 |
| Proust, Marcel | Pastiches et Mélanges | 1919 |
| Putman, J. Harold (John Harold) | Egerton Ryerson and Education in Upper Canada | 1912 |
| Pyle, Ernie | Brave Men | 1944 |
| Queen's Hotel | The Queen's Hotel Traveller's Guide | 1918 |
| Quiller-Couch, Arthur Thomas | Q's Mystery Stories | 1937 |
| Quiller-Couch, Arthur Thomas | Shorter Stories | 1944 |
| Racine, Jean | Oeuvres, tome 1 | 1815 |
| Rackham, Arthur | Feats on the Fiord | 1914 |
| Rackham, Arthur | The Sleeping Beauty | 1920 |
| Raine, William MacLeod | Colorado | 1927 |
| Raine, William MacLeod | Texas Man | 1928 |
| Raine, William MacLeod | Troubled Waters | 1918 |
| Rainey, William | Daughters of the Dominion: A Story of the Canadian Frontier | 1908 |
| Rainey, William | The Youngest Sister: A Tale of Manitoba | 1913 |
| Ralph, Julian | On Canada's Frontier | 1892 |
| Rand, Silas Tertius | The Dying Indian's Dream: A Poem | 1881 |
| Randolph, Peter | Sketches of Slave Life: or, Illustrations of the ‘Peculiar Institution’ (Second Edition) | 1855 |
| Ransome, Arthur | Coot Club [Swallows and Amazons #5] | 1934 |
| Ransome, Arthur | Great Northern? [Swallows and Amazons #12] | 1947 |
| Ransome, Arthur | Missee Lee [Swallows and Amazons #10] | 1941 |
| Ransome, Arthur | Peter Duck [Swallows and Amazons #3] | 1932 |
| Ransome, Arthur | Pigeon Post [Swallows and Amazons #6] | 1936 |
| Ransome, Arthur | Secret Water [Swallows and Amazons #8] | 1939 |
| Ransome, Arthur | Swallowdale [Swallows and Amazons #2] | 1931 |
| Ransome, Arthur | Swallows and Amazons [Swallows and Amazons #1] | 1930 |
| Ransome, Arthur | The Big Six [Swallows and Amazons #9] | 1940 |
| Ransome, Arthur | The Picts and The Martyrs: or, Not Welcome at All [Swallows and Amazons #11] | 1943 |
| Ransome, Arthur | We Didn't Mean to Go to Sea [Swallows and Amazons #7] | 1937 |
| Ransome, Arthur | Winter Holiday [Swallows and Amazons #4] | 1933 |
| Rasmussen, Vilhelm | Child Psychology I: Development in the First Four Years | 1923 |
| Rasmussen, Vilhelm | Child Psychology II: The Kindergarten Child: Its Conception of Life and Its Mental Powers | 1923 |
| Rasmussen, Vilhelm | Child Psychology III: The Kindergarten Child: Thought, Imagination and Feeling; Will and Morale | 1923 |
| Raven-Hill, L. (Leonard) | Our Battalion | 1902 |
| Raverat, Gwendolyn | Mountains & Molehills | 1934 |
| Raverat, Gwendolyn | Period Piece | 1952 |
| Raverat, Gwendolyn | Spring Morning | 1923 |
| Rawlings, Marjorie Kinnan | Cross Creek | 1942 |
| Rawlings, Marjorie Kinnan | South Moon Under | 1933 |
| Rawlings, Marjorie Kinnan | The Sojourner | 1953 |
| Rawlings, Marjorie Kinnan | The Yearling | 1938 |
| Rawlings, Marjorie Kinnan | When the Whipoorwill— | 1931 |
| Ray, Anna Chapin | By the Good Sainte Anne | 1904 |
| Ray, Anna Chapin | The Dominant Strain | 1903 |
| Ray, George Raymond | Kasba (White Partridge), A Story of Hudson Bay | 1915 |
| Ray, Milton S. | Poems | 1934 |
| Raymond, Ethel T. | Tecumseh: A Chronicle of the last Great Leader of his People (Chronicles of Canada #17) | 1920 |
| Raytech Industries | The Story of Fluorescence | 1965 |
| Read, D. B. (David Breakenridge) | The Lieutenant-Governors of Upper Canada and Ontario, 1792-1899 | 1900 |