The Edward Belknap collection contains materials dating from 1914 through 1995. The largest concentration of documents were created in the 1920s and 1930s. Those that come after his death consist of letters and records pertaining to his wife, Dora S. Belknap, including a letter of widow's benefits, and a letter dated 1995 acknowledging her military service.
The first folder contains correspondence dealing primarily with Belknap's advancement within the Navy, his patent, and the testing of the pilot bomb he devised. An aerial photograph taken during the pilot bomb tests accompanies the letter dated 9 February 1937. This collection also contains legal documents that give insight to the major dates and happenings in the Belknaps' lives, including a complete list of Edward's military record and a list of the Shreve family's lineage dating back to the Revolutionary War as well as certificates of appreciation and in recognition of completed training, schematics of his inventions, personal photographs and press cuttings.