UFO Publications & Statements:
“Publications of James Edward McDonald”,
Institute of Atmospheric Physics, University of Arizona
(Princeton University, Princeton, New Jersey) 

Publications and Statements on Unidentified Flying Objects (documents 133-157):

http://www.hep.princeton.edu/~mcdonald/JEMcDonald/bib_jem.pdf

The late Dr. James Edward McDonald, U.S. Physicist &
UFO Researcher (wikimedia.org photo)