The Mystery of Unidentified Flying Objects: A Prelude 1896—1949
By Loren E. Gross
A survey of persons, places, and events, prior to the year of 1949 with emphasis on the extraterrestrial hypothesis. Sept. 1971, revised in 1973. 309 pp.
This unpublished manuscript predates the UFOs: A History series ending with Chapter 10 "Pandemonium," on page 287; while missing Chapter 11 "A Question of Security," and Chapter 12 "Air Force Intelligence is Purged," Epilogue, and Index.
