This collection consists of single and group printing blocks and plates commissioned for use by the Academy of Natural Sciences. The plates and blocks range from animal figures, signature plates, letterhead, to special invitations. The printing blocks are made of wood with metal outlines fastened to the wood. There are solid metal printing plates and also metal roller printing plates. Each block or plate has a general note attached to it with more detail.

Official correspondence of the Society for the years mentioned and lists of members, with addresses, years for which dues were paid, and reasons for leaving the Society. Some news clippings and obituary notices are included. The list of members is contained in three notebooks (1) 1891-1922, Arthur N. Leeds, Treasurer (2) 1922 ( ?) - 1938 (3) Former members, 1891-1937.

Gift of the Society under the authority of Benner and Long, September 18, 1959.

This collection consists of single and group printing blocks and plates commissioned for use by the Academy of Natural Sciences. The plates and blocks range from animal figures, signature plates, letterhead, to special invitations. The printing blocks are made of wood with metal outlines fastened to the wood. There are solid metal printing plates and also metal roller printing plates. Each block or plate has a general note attached to it with more detail.