The Library of Congress is a source of historical science, technology, and military information, including collections on: WWI aeronautics; technical reports & standards; WWII scientific research; documents captured from Nazi and Imperial Japan; the U.S. Strategic Bombing Survey; German Nuclear Energy Project; post-WWII reports.
A broad search of the Library of Congress catalog will return both online ("digital") materials and bibliographic references to print materials held by the Library. One can also browse and read about these historical collections at these Library of Congress pages:
Learn more about accessing these collections on the Library of Congress' Science Reference Services page.
Ask a direct question at Ask a Librarian: Science & Technical Reports.
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