| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO COLONEL B. J. LEMON REGARDING RESPONSE TO YOUR LETTER TO MAJOR JOHN R. PERRINE LETTER DATED 17 MAY 1946] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO COLONEL B. J. LEMON REGARDING RESPONSE TO 16 MAY 1946 LETTER] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO COLONEL B. J. LEMON REGARDING PEACETIME SETUP OF THE RUBBER ADVISORY COMMITTEE] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO COLONEL B. J. LEMON REGARDING CONTINUED INTEREST IN PROBLEMS IN RUBBER] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO CARL HANSEN REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO CAPTAIN W. C. KLEIN REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO CAPTAIN R. W. PECAUT REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO C. P. MILNE REGARDING RECEIPT OF WAR ACTIVITIES BOOKLET] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO C. J. BOCK REGARDING APPRECIATION FOR INFORMATION][WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO C. H. KANAVEL REGARDING INVITATION TO VISIT IN LOS ANGELES][WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO C. G. HOOVER REGARDING INVITATION TO THE SUMMER MEETING OF THE TIRE AND RIM ASSOCIATION][WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO C. E. DAVIES REGARDING MEMBERSHIP INVITATION FOR THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO BRIGADIER W. E. BLAGDEN REGARDING INTRODUCTION OF MR. HARRY T. WOOLSON OF CHRYSLER CORPORATION] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO BRIGADIER GENERAL R. L. MAXELL REGARDING CONGRATULATIONS ON SELECTION TO NEW POSITION] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO BRIGADIER GENERAL G. M. WELLS REGARDING REQUESTED INFORMATION FROM 10 DECEMBER TELEPHONE CONVERSATION] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO BRIGADIER GENERAL G. M. WELLS REGARDING FIRE CONTROL DEVELOPMENT] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO BRIGADIER GENERAL E. B. MCKINLEY REGARDING INVITATION TO LECTURE] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO B. B. BACHMAN REGARDING APPRECIATION FOR CONTINUED INTEREST IN TANK-AUTOMOTIVE PROBLEMS] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO AUDITOR OF RECEIPTS, THE PULLMAN COMPANY REGARDING REQUEST FOR RECEIPT] |
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| [CORRESPONDENCE FROM COLONEL JOSEPH M. COLBY TO ARMY ATHLETIC ASSOCIATION REGARDING CHECK ENCLOSED FOR TICKETS] |
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