CIA Research Reports were issued under broad geographical categories in order to brief the President, National Security Council, and other agencies. They included foreign intelligence memos and biographies, as well as other information.
Online guides for the microfilm are available for Africa, Asia, and Europe.
The following reports were produced by the Office of the Coordinator of Information, then by the Office of Strategic Services (OSS), and, after disbanding of the latter, by various branches of the State Department, during and following World War II.
These final microforms are from a variety of sources and still relevant to understanding this topic:
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Links and databases that cover certain time frames