This collection includes original and reprographic drawings, photographs, project files and office records documenting the professional life of architectural and theatrical lighting designer Abe Feder. Projects represented are primarily in the continental United States, with additional commissions in Canada, Puerto Rico, and Israel. Also included in this collection are substantial correspondence files and "data books" that record essential project information.

This collection contains original and reprographic design drawings, photographic prints and various types of business records documenting the work of Rambusch Company across the United States. Over many decades, Rambusch has collaborated on projects with numerous noted architectural firms, including Bertram Goodhue, R. Guastavino & Co.