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4 OM eee This reference consisted of two pieces of mail. he firstspiec: was an unsigned letter, dated February ah, 1951,4 to Mr. L.A. DuBridse, Fresident, California Inst te of -_ Technology, Fasadena 4, Califoruie. It bore a tyrewritten notation this was a blind copy to the Federal Puresu ot Investiga n, Washington, D.c. The writer listed the "notable sponsors" of what he called the latest Communist front, the "Peace Information Center", and which h> stated had been eite4 as such by Federal authorities. © Albert Einstein was listed es one of the sponscrs. POTTS baee hepa MiIVN tin Uae The second plece of correspondence vas an outgoing memorandum from the Bureati to the Los Angeles Field Di\{sion. Thie commmicaticn stated that there were enclosed photostatic copies of a Jetier dated February 24, 1951, shich received t the Bureau fror Solorsde Uprings, Cole: n or ay a 10¢+353404-13 (71) C70: vai 1— pote A search through this file faile? to Cisclose the igtter fro shotestctic cories ef hich ser> song td the Ies Angedec riumrd tivisicn. . t