Here are three volumes of the History of the Office of Research and Development created by the CIA in December of 1972. It took more than four years to obtain via the Freedom of Information Act, in a case filed by The Black Vault.
The document is available, as released, below.
History of the Office of Research and Development, Volumes 1-3, December 1972 [730 Pages, 176MB]
Follow The Black Vault on Social Media: