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Dear Ms. Shannon,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and located a series titled Oklahoma Indexes, 1935-1943 that serves as an index to the Oklahoma Project Files. The index is available on three microfilm publications (T935, T 936, T937). The Project Files are only available on microfilm but the quality of the accessioned microfilm is poor and it is not available in the National Archives microfilm reading room. In order to view the film, a researcher must first determine the official project number of the project using the indexes (T935, T936 & T937).
For access to and/or copies of the microfilm, please contact the National Archives at College Park - Textual Reference (RDT2) via email at firstname.lastname@example.org.
We hope this information is helpful. Best of luck with your research!