| [CORRESPONDENCE FROM THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS TO COLONEL JOSEPH M. COLBY REGARDING ENCLOSED MEMBERSHIP APPLICATION] |
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| [CORRESPONDENCE FROM T.P. ARCHER TO JOSEPH M. COLBY REGARDING LETTER OF MARCH 13] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM T.H. ALLEN TO JOSEPH M. COLBY REGARDING HELP] |
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| [CORRESPONDENCE FROM SYLVIA THOMAS TO COLONEL JOSEPH M. COLBY REGARDING SAE ANNUAL MEETING PAPER] |
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| [CORRESPONDENCE FROM SYLVIA THOMAS TO COLONEL JOSEPH M. COLBY REGARDING LETTER OF OCTOBER 13TH] |
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| [CORRESPONDENCE FROM STROM THURMOND TO JOSEPH M. COLBY REGARDING LETTER AND ATTACHMENTS RECEIVED] [WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM SPICER MANUFACTURING CORPORATION TO COLONEL JOSEPH M. COLBY REGARDING THANK YOU FOR THE WAR DEPARTMENT CERTIFICATE OF APPRECIATION] |
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| [CORRESPONDENCE FROM SPARKMAN AND STEPHENS TO COLONEL JOSEPH M. COLBY REGARDING INTERESTING IN ASSISTED WHERE NEEDED] |
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| [CORRESPONDENCE FROM SION D. BASS TO BRIGADIER GENERAL JOSEPH M. COLBY REGARDING REDSTONE ARSENAL FLYING CLUB] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM SINGER, DEANE & SCRIBNER TO GENERAL JOSEPH M. COLBY REGARDING FRIEND'S REQUEST TO MOVE UP ACTIVE DUTY ORDERS] |
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| [CORRESPONDENCE FROM SECRETARY TO JOSEPH M. COLBY TO ELMER L. CASEY REGARDING RESPONSE TO LETTER OF 24 JANUARY] |
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| [CORRESPONDENCE FROM SARAH J. DURNEL TO J. M. COLBY REGARDING APPLICATION FOR MEMBERSHIP] |
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| [CORRESPONDENCE FROM SAMUEL WENSON TO COLBY REGARDING PATENT NO. 2,333,827] |
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| [CORRESPONDENCE FROM S.L. CONNER TO JOSEPH M. COLBY REGARDING MODIFICATION ON THE 90MM M2 GUNS] |
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| [CORRESPONDENCE FROM S.L. CONNER TO JOSEPH M. COLBY REGARDING CAPTAIN BROWN] |
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| [CORRESPONDENCE FROM S.E. REIMEL TO JOSEPH M. COLBY REGARDING PROMOTION] |
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| [CORRESPONDENCE FROM S.B. RITCHIE TO JOSEPH M. COLBY REGARDING TALK BEFORE THE WASHINGTON ACADEMY OF SCIENCES] |
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| [CORRESPONDENCE FROM S.B. RITCHIE TO JOSEPH M. COLBY REGARDING RESEARCH AND DEVELOPMENT PROGRAM] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM S. W. KOSTER TO JOSEPH M. COLBY REGARDING THANKS] |
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| [CORRESPONDENCE FROM S. W. CONNELEY TO J. M. COLBY REGARDING CONGRATULATION] |
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