Including a framed, hand-written letter dated, "March 27, 1851," and signed, "Yours for Human Science, O.S. Fowler"; a framed broadside, "Phrenology Practically Applied to the Development and Delineation of Living Characters and Talents, By O.S. & L.N. Fowler and Dr. J.A. Brevoort...April 24th, 1837"; Wells, C.F. and Nelson Sizer. Catalogue of Portraits, Busts, and Casts, in the Cabinet of the American Institute of Phrenology (New York: Fowler & Wells, 1885); assorted phrenological character charts and guides, including Fowler's New Chart and Wells' New Descriptive Chart, some with hand-written readings; Certificates of Agency for the American Phrenological Journal as well as assorted issues of the publication; two lithograph Fowler portrait trade cards; along with other assorted printed matter, including handbills, pamphlets, etc.