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Dear Ms. McGuire,
Thank you for posting your request on History Hub!
We searched the Internee Case Files of the Military Government of the Territory Hawaii Alien Processing Center in the Records of U.S. Army Forces in the Middle Pacific (World War II), 1940-1950 (RG 494) and located a case file for Alfred Preis (ISN-HG-51-CI). For access to or copies this file unit, 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!