This collection includes architecural drawings of Washington University's Danforth Campus, West Campus, and Olin Library.

This collection covers information about the cyclotron built on the Danforth Campus in 1940 and subsequent redesigns of the cyclotron. It also includes information on the preliminary work towards the Positron Emission Transaxial Tomography Scanners (commonly abbreviated PET) at the School of Medicine. The collection does not include specific information about the cyclotrons at the School of Medicine.

The Fred R. Hammond Collection includes drawings, photographs, and other images of architectural projects built on the Washington University Campus by the firm of Hammond, Charle, Burns and Le Pere, Architects and Planners, as well as its predecessor firms including Cope and Stewardson. Of particular interest is a notebook of sketches and photographs of gargoyles from across the Washington University Danforth Campus.

The collection includes material relating to the Mudd/Eliot Hall architectural competition of 1965, including background information and competition drawings.

The collection includes material relating to the Olin Library architectural competition of 1956, including background information and competition drawings.