The collection includes correspondence, 1897-1961; school papers, 1867-1941, mostly from Carlos E. Cummings’ undergraduate years at Syracuse University, with diplomas of various Emmons and Cummings family members; invitations, programs, and other papers regarding lectures given by Cummings and others at the Buffalo Society of Natural Sciences and elsewhere, 1900-1934; reviews of his book, East is East and West is West, 1941, and biographies from various publications, 1929-1951; travel diaries and other travel papers, 1908-1914; membership cards and papers from various clubs and associations, 1903-1934; certificates and citations, 1870-1964, mostly of Dr. Cummings, but also of his father, Lowell M. Cummings, his wife Gertrude Voss Cummings, and his daughter Virginia L. Cummings. Also, Western New York Preserving & Mfg. Co. stock certificates and transfer, 1881-1896; photographs, including two albums, one devoted to sailing, the other to the Pan-American Exposition exhibit In Darkest Africa, in which Dr. Cummings was involved, and clippings concerning his life and career, 1901-1964.