Primarily letter impression books (3 v., 1891-95, 1896-97, 1906-10), loose correspondence (1906), orders, bills, receipts, accounts, time-books (2 v., 1903-06), insurance policies, broadsides, photographs of the Ithaca Railway Company; correspondence of general managers directed to equipment manufacturers, and also concerning construction and rental of an apartment house in Cornell Heights under railway sponsorship (1906); form letter (1906) from the Duplicate Transfer and Rebate Company of Philadelphis offering to furnish industrial spies; release and decision in a damage case, Bolster v. the Ithaca Street Railway Company (1904), inventory of rolling stock (1912); also, photographs, timetables, and printed items concerning other upstate New York railroads, and steamboats on Cayuga Lake.