Documents / FOIA release
This is Volume Three of the CIA Directorate of Science and Technology Historical Series on the Office of Scientific Intelligence (OSI), 1949 to 1968, written by Karl H. Weber in June 1972 and approved for release in 2008. It holds three annexes, on OSI publications, OSI's external assistance and contracting program, and OSI's interaction with the National Security Agency. The released text covers production planning, review boards, current intelligence periodicals and future threat forecasting. It does not discuss UFOs.
“Office of Special Investigations”1 page
# 1001 Central Intell. Bulletin* (estab. as Current Intell. Bulletin) 1951 Current Intell. Digest** Current Intell. Weekly Review Situation Summary*** Items Sub. Coord. Items Sub. Coord. Items Sub. Coord. Items Sub. Coord. Items Sub. Coord. * Became Central Intelligence Bulletin in January 1958. ** Discontinued in early 1968. *** Situation Summary discontinued February 1955.
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FOIA release, from the cia-readingroom collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 243 pages are in the text index: search them above, or from the library's search.