| Secret History of To-day: Being Revelations of a Diplomatic Spy
Allen Upward | |
| Secret History Revealed By Lady Peggy O'Malley
C. N. Williamson; A. M. Williamson | |
| Secret History; or, the Horrors of St. Domingo / In a Series of Letters, Written by a Lady at Cape Francois, to Colonel Burr, Late Vice-President of the United States, Principally During the Command of General Rochambeu
Leonora Sansay | |
| Secret Memoirs: The Story of Louise, Crown Princess
Henry W. Fischer | |
| Secret Mission to Alaska / Sandy Steele Adventures #5
Robert Leckie | |
| Secret of the Earth Star
Henry Kuttner | |
| Secret of the Martians
Paul W. Fairman | |
| Secret of the Painting
Robert Moore Williams | |
| Secret Power; or, The Secret of Success in Christian Life and Work
Dwight Lyman Moody | |
| Secret remedies
British Medical Association |
