This collection contains local organizational records including meeting minutes, newsletters, membership information, trustee information from the national organization, photographs and videotapes. Of particular note are materials in the Centennial Planning Folders related to the effort spearheaded by Bob Callans which resulted in the issuance of the Fredrick Law Olmsted U.S. Postage commemorative stamp.

Materials include photographs, catalogs, academic and professional drawings, records and correspondence.