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F B1 Date: 9/18/64 Transmit the following in (Typc in plaintext or code) AIRTEL AIR MAIL Via (Priority) To: Director, FBI From: SAC, _Kansas City (157-404) Subject: 40,OOO CROWD ANTICIPATED FOR APPEARANCE OF BEATLES, MUNICIPAL STADIUM, KANSAS CITY, MISSOURI, SEPTEMBER 17, 1964 BOMBING MATTERS - THREATS RACIAL MATTERS Enclosed are eight copies of a letterhead memorandum. Confidential sources contacted and alerted in connection with captioned matter are Agency G2, ONI, OSI, CRD How Forw.. B.y......... 1-Reun. 828 RB A) REO- 34 RE 57.- 6-23 - j76 Bureau (Enclosures 8) B SEP21 :964 1 -.(Field Office) HKJ:sp (2) TROD 69 SEP 281964 Approved: Sent Pe Special Agent in Charge