[XIII-6] _UFO Investigator_ (July-August 1960). [XIII-7] Keyhoe, D. E. _Flying Saucers: Top Secret._ New York: G. P. Putnam’s Sons, 1960. [XIII-8] Lorenzen, C. E. “The Psychology of UFO Secrecy,” _Flying Saucers_ (October 1958), p. 12 ff. [XIII-9] Davidson, L. [Letter] _Flying Saucers_ (October 1958), p. 79. [XIII-10] Davidson, L. “An Open Letter to Saucer Researchers,” _Flying Saucers_ (March 1962), p. 36. [XIII-11] _The Fitzgerald Report_, The UFO Research Committee of Akron, Ohio, 1958. [XIII-12] Air Force Files. [XIII-13] Project Blue Book, _Special Report No. 14_, ATIC, Wright-Patterson Air Force Base, Ohio. May 5, 1955. [XIII-14] New York _Times_, February 28, 1960. APPENDIX UFO AND OTHER INCIDENTS REFERRED TO _Date_ _Place_ _Associated _Page_ name_ 1913 February 9 Canada Great Meteor 107 Procession 1947 Jan. 12 Puerto Rico 99 June 24 Chehalis, Wash. Arnold 13 June 31 Tacoma, Wash. Maury Island 21 July 7 Kentucky 58 1948 Jan. 7 Louisville, Ky. Mantell 33 Feb. 18 Norton, Kans. 102 July 24 Alabama Chiles-Whitted 109 July 26 Southeast states 111 July 27 Tennessee 112 Oct. 1 Fargo, N.D. Gorman 77 December New Mexico Green fireballs 93 1949 Aug. 20 Las Cruces, N.M. Tombaugh 266 1950 March 8 Dayton, Ohio 70 March 17 Farmington, N.M. 48 June 4 Colorado 95 July 4 New Mexico Fry 200 Aug. 11 Washington, Oregon 95 Sep. 20 Murray, Ky. 96 Sep. 20 Western states 98 Nov. 2 Eastern states 95 1951 May 29 Downey, Calif. 129 Aug. 25 Lubbock, Tex. Lubbock lights 123 Nov. 2 Texas 95