The Karl Linn Collection spans the years c.1925-2005 (bulk 1955-2005) and includes files documenting the life and professional work of landscape architect Karl Linn. The Collection is arranged into six series: Personal Papers, Professional Papers, Faculty Papers, Office Records, Project Records, and Additional Donations.

The Personal Papers contain biographical information, personal photographs, and correspondence from friends and colleagues including architect Louis Kahn.

The Professional Papers include lectures, writings, awards, research, correspondence, photographs, and documents related to Linn’s involvement with the American Society of Landscape Architects (ASLA) and independent design charrettes.

The Faculty Papers consist primarily of correspondence and material documenting the design studios and student projects administered by Linn at various institutions including the Massachusetts Institute of Technology (MIT), the New Jersey Institute of Technology (NJIT), the University of Pennsylvania, the Technical University of Berlin, and the Israel Institute of Technology. Also included is research done at Long Island University and correspondence and notes for courses taught at Antioch College and Drexel University.

The Office Records are limited and contain film reels and audiocassettes, clip files and scrapbooks, project photographs and slides.

The Project Records make up the bulk of the Collection and consist of correspondence, notes, and drawings.

The Additional Donations have not yet been processed.