A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper. — S. D. Humphrey
American Hand Book of the Daguerreotype — S. D. Humphrey
The Book of the Cat — Mabel Humphrey
The Daguerreian Journal, Vol. I, No. 8, March 1, 1851 — Various
The Sabbath Breaker Reclaimed; or, a pleasing history of Thomas Brown — Old Humphrey
