| 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 | A Question of Temptation | 1925 |
| 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 | La Capture du Mouron Rouge | 1933 |
| Orczy, Baroness Emmuska | Lady Molly of Scotland Yard | 1910 |
| Orczy, Baroness Emmuska | Le Serment | 1934 |
| Orczy, Baroness Emmuska | Leatherface: A Tale of Old Flanders | 1916 |
| Orczy, Baroness Emmuska | Marivosa | 1930 |
| Orczy, Baroness Emmuska | No Greater Love | 1938 |
| Orczy, Baroness Emmuska | Sir Percy Hits Back (Scarlet Pimpernel #9) | 1927 |
| Orczy, Baroness Emmuska | Sir Percy Leads the Band (Scarlet Pimpernel #2) | 1936 |
| Orczy, Baroness Emmuska | The Celestial City | 1926 |
| Orczy, Baroness Emmuska | The Honourable Jim | 1924 |
| Orczy, Baroness Emmuska | The Triumph of the Scarlet Pimpernel (Scarlet Pimpernel #10) | 1922 |
| Orczy, Baroness Emmuska | The Turbulent Duchess | 1935 |
| Orczy, Baroness Emmuska | The Uncrowned King | 1935 |
| Orléans, Charlotte-Elisabeth, duchesse d' | Die Briefe der Liselotte von der Pfalz, Herzogin von Orleans | 1923 |
| 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 | A Far Land | 1924 |
| Ostenso, Martha | And the Town Talked | 1938 |
| Ostenso, Martha | Escape in Spring | 1939 |
| Ostenso, Martha | Gardenias in her hair | 1937 |
| Ostenso, Martha | Little Blue Hat | 1939 |
| Ostenso, Martha | Love Passed This Way | 1942 |
| Ostenso, Martha | Milk Route | 1948 |
| Ostenso, Martha | The Bridge | 1934 |
| Ostenso, Martha | The Dark Dawn | 1926 |
| Ostenso, Martha | The Doctor's Story | 1945 |
| Ostenso, Martha | The Dreamer | 1938 |
| Ostenso, Martha | The Last Mad Sky | 1935 |
| Ostenso, Martha | The Mad Carews | 1927 |
| Ostenso, Martha | The Mandrake Root | 1938 |
| Ostenso, Martha | The Stone Field | 1937 |
| Ostenso, Martha | The Storm | 1924 |
| Ostenso, Martha | The Sunset Tree | 1949 |
| Ostenso, Martha | The Waters Under the Earth | 1930 |
| Ostenso, Martha | The White Reef | 1934 |
| Ostenso, Martha | The Young May Moon | 1929 |
| Ostenso, Martha | Tumbleweed | 1940 |
| Ostenso, Martha | White Tryst | 1928 |
| Ostenso, Martha | Wife In Law | 1939 |
| Ostenso, Martha | Wild Geese | 1925 |
| 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 | Archie of Athabasca | 1893 |
| 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 |
| Paassen, Pierre van | The Tower of Terzel | 1948 |
| Pach, Walter | Ananias or the False Artist | 1928 |
| 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 Little Super | 1908 |
| 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 |
| Paine, Ralph D. | Four Bells: A Tale of the Caribbean | 1923 |
| Painter, Sidney | French Chivalry: Chivalric Ideas and Practices in Mediaeval France | 1940 |
| Palmer, John Leslie | The Seven Sleepers | 1926 |
| Panneton, Philippe | L'Héritage et autres contes | 1946 |
| Panneton, Philippe | Trente Arpents | 1938 |
| Panofsky, Erwin | Gothic Architecture and Scholasticism | 1951 |
| Parker, Dorothy | Big Blonde | 1929 |
| Parker, Dorothy | Here Lies: The Collected Stories of Dorothy Parker | 1939 |
| 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 |
| Parks, Edd Winfield | Long Hunter | 1942 |
| 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 |
| Parrott, Sir (James) Edward | The Pageant of English Literature | 1914 |
| 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 |
| Peake, Mervyn | The Glassblowers | 1950 |
| Pedler, Margaret | The Guarded Halo | 1928 |
| Péguy, Charles | Les œuvres complètes de Charles Péguy [tome 01] | 1917 |
| Péguy, Charles | Les œuvres complètes de Charles Péguy [tome 02] | 1920 |
| Pemberton, Max | The Diamond Ship | 1912 |
| Pennell, Joseph Stanley | The History of Rome Hanks and Kindred Matters | 1944 |
| Perkins, J. R. | The Emperor's Physician | 1944 |
| Perkins, Kenneth Taylor | Wild Paradise | 1927 |
| Pertwee, Roland | Interference | 1927 |
| Pertwee, Roland | Our Wonderful Selves | 1919 |
| Pertwee, Roland | The Old Card | 1919 |
| Peterkin, Julia | Scarlet Sister Mary | 1928 |
| Philip, Alex | The Crimson West | 1925 |
| Philip, Alex | The Painted Cliff | 1927 |
| Philip, Alex | Whispering Leaves | 1931 |
| 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 |
| Philp, Robert Kemp | Facts for Everybody: An Encyclopædia of Useful Knowledge | 1863 |
| 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 [The Other Human Race] (Fuzzy Sapiens #2) | 1964 |
| Piper, H. Beam | Gunpowder God | 1964 |
| Piper, H. Beam | Lord Kalvan of Otherwhen [Gunpowder God] | 1965 |
| Pitkin, Walter B. | How to Write Stories | 1921 |
| 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 | Buds and flowers of childish life | 1875 |
| Pletsch, Oscar | Child-land: picture-pages for the little ones | 1873 |
| Pletsch, Oscar | Happy spring-time in pictures by Oscar Pletsch | 1869 |
| Pletsch, Oscar | Little Folks | 1868 |
| Pletsch, Oscar | Little Lily’s Alphabet | 1865 |
| Pletsch, Oscar | Schnick schnack: trifles for the little-ones | 1867 |
| 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 | Jorkens Has a Large Whiskey | 1940 |
| Plunkett, Edward 18th Baron of Dunsany | Jorkens Remembers Africa | 1934 |
| Plunkett, Edward 18th Baron of Dunsany | Misadventure | 1954 |
| Plunkett, Edward 18th Baron of Dunsany | My Talks with Dean Spanley | 1936 |
| 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 |
| Plunkett, Edward 18th Baron of Dunsany | The Slugly Beast | 1948 |
| Plunkett, Edward 18th Baron of Dunsany | The Sword of Welleran and Other Stories | 1908 |
| Plunkett, Edward 18th Baron of Dunsany | The Travel Tales of Mr. Joseph Jorkens | 1931 |
| Pollard, A. O. | The Murder Germ | 1937 |
| Pollock, Frank Lillie | A Cell in Etruria | 1908 |
| Pollock, Frank Lillie | Anthology of Poems | 1905 |
| Pollock, Frank Lillie | Finis | 1940 |
| 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 |
| Porter, Rufus | Scientific American Vol 2 Issue 3 Oct 10 1846 | 1846 |
| 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 |
| Powys, T. F. (Theodore Francis) | Mr Weston's Good Wine | 1927 |
| Powys, T. F. (Theodore Francis) | The Key of the Field | 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 | Danger | 1929 |
| Pratt, Fletcher | Double Jeopardy | 1952 |
| Pratt, Fletcher | Dr. Grimshaw's Sanitarium | 1934 |
| Pratt, Fletcher | Official Record | 1952 |
| Pratt, Fletcher | The Battles that Changed History | 1956 |
| Pratt, Fletcher | The Blue Star | 1952 |
| Pratt, Fletcher | The Octopus Cycle | 1928 |
| Pratt, Fletcher | The Thing in the Woods | 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 |
| Pritchard, John Laurence | The Secret of Sheen | 1929 |
| Proust, Marcel | Pastiches et Mélanges | 1919 |
| Putman, J. Harold (John Harold) | Egerton Ryerson and Education in Upper Canada | 1912 |
| Pyle, Ernie | Brave Men | 1944 |
| Pyle, Ernie | In England | 1941 |
| Queen's Hotel | The Queen's Hotel Traveller's Guide | 1918 |