Source: Project Sign Report
From: Dan Wilson
Subject: APPENDIX D, 13 Dec 1948
"Special Design and Performance Characteristics That Are Believed To Distinguish Spaceships"
Distribution: CE, SHG, NCP
 
Letter to Brig. General Putt, Director of R&D,  from  J. E. Lipp, Missiles Division. Re: Likelihood of a visit from another world...

http://www.bluebookarchive.org/page.aspx?PageCode=NARA-PBB85-39
 
PAGE INFO
Page ID (PID) :  NARA-PBB85-39
Collection :  NARA Blue Book
Roll Description :  Project Blue Book Roll 85
   
Frames  39 - 47