S. D. (Samuel Dwight), 1823-1883 Humphrey

• A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper.
• American Hand Book of the Daguerreotype
• The Daguerreian Journal, Vol. I, No. 8, March 1, 1851
• The Daguerreian Journal, Vol. II, No. 2, June 1, 1851