Books by Donald E. Welzenbach:
![[Info]](https://onlinebooks.library.upenn.edu/info.gif)
Welzenbach, Donald E.: The CIA and the U-2 Program, 1954-1974 (unclassified, censored version, 1998), also by Gregory W. Pedlow (PDF files at fdlp.gov)
Additional books by Donald E. Welzenbach in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Welzenbach, Donald E.: The CIA and the U-2 program 1954-1974 (Central Intelligence Agency, Center for the Study of Intelligence :, 1998), also by Gregory W. Pedlow and Center for the Study of Intelligence (U.S.) (page images at HathiTrust)
Find more by Donald E. Welzenbach at your library, or elsewhere.