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NATIONAL LABOR RELATIONS BOARD WASHINGTON, D. C. 18th December 1939 Honorable John Edgar Hoover Director Federal Bureau of Investigation Vashington, D. C. Dear lir. Hoover: We herewith enclose a letter with typewritten signature of "isaa Kibser." It would seem, however, to be somewhat comparable to the letters forwarded to you 9 on October 28, 1939, which were signed "John Rogers.'. Very truly yours f7c Enclosure RECORDED 62-55640-3 INDEXED TEDERAL BUREAU OF INVESTIGAT DEC 13 1030 TD . S. DEFARTMENT OF JUSTIC b7C