The collection is made up of 2,967 architectural drawings drawn primarily between 1947 and 1998. Jan Hird Pokorny is the primary creator for the majority of the drawings, however, additional creators represented in the collection include Paul P. Cret, Skidmore, Owings & Merrill, Ferdinand Gottlieb, and Felix Augenfeld. Projects include many alterations to various East Coat residences, Columbia University's Lewisohn Hall, Centenary Junior College in Hackettstown, N.J, Herbert H. Lehman College in the Bronx, and Norwalk Railroad Station renovations among others.