The collection consists of files relating to the operation of the D.C.T.A. from 1919 to 1991. This includes annual reports, short histories, scrapbooks, statistical reports on tuberculosis in Delaware County, photographs, articles of incorporation, Christmas Seals sales, relations with other Delaware County organizations, policy, employment practices, and various programs. Oversize material consists of the 1922 Certificate of Incorporation and a 1987 Proclamation of “TB Awareness Week.”