This series contains honorary certificates and certificates of appointment from several organizations and governmental bodies in which Silas B. Dutcher served in varying capacities. Represented institutions include the Twelfth Street Reformed Church, the Long Island Historical Society (now the Brooklyn Historical Society), the Brooklyn and Long Island Sanitary Fair, the Holland Society of New York, the Brooklyn Masonic Veterans, the American Academy of Political and Social Science, the Kings Park State Hospital, the Society of Old Brooklynites, the Grand Army of the Republic U.S. Grant Post No. 327, the Chamber of Commerce of the State of New York, the Department of Internal Revenue, the Sunday School of Memorial Presbyterian Church, the Mechanics' Savings Bank of Brooklyn, and the Brooklyn Institute of Arts and Sciences. Some of the certificates are housed separately from the rest of the collection in an oversize box. The series also includes one certificate awarded to Edith Dutcher by the City of Brooklyn Department of Public Instruction.