Photographs of Orrin Klapp 1944
History of the Hydrographic Office During the Second World War 1939 - 44
Correspondence to and from Orrin Klapp 1942 - 45
Manuscripts of Scuttlebutt a weekly magazine edited by Orrin E. Klapp 1944 - 45
John Simon Guggenheim Fellowship Application Form 1945
Memorandum to Orrin E. Klapp from OIC, Division of Air Navigation 1945
Newspaper Clippings - Orrin Klapp 1960 - 97
Commentary on "Orrin's Trilogy" 1998
Sheet Music to Orrin's Blues
Manuscript of A Materialistic Metaphysics
Quick Reference to Orrin Klapp's Published Works