| [CORRESPONDENCE] FROM COLONEL JOSEPH M. COLBY TO COLONEL JOHN CROW REGARDING ORDERS |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO E. W. WINSLOW REGARDING PRESENTATION BY MR. BIRK] |
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| [CORRESPONDENCE FROM SAMUEL WENSON TO COLBY REGARDING PATENT NO. 2,333,827] |
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| [CORRESPONDENCE] FROM COLONEL JOSEPH M. COLBY TO COLONEL H.D. HEIBERG REGARDING TANK DESIGNS |
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| [CORRESPONDENCE FROM GEORGE A. CHADWICK TO COLONEL JOSEPH M. COLBY REGARDING HARRY VICKERS' INVITATION] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE] FROM MR. CHARLES A. SOMVILLE TO MR. JOSEPH M. COLBY REGARDING CONGRATULATIONS |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO JOHN L. WOOD REGARDING RETURN FROM EXTENDED ABSENCE FROM PITTSBURGH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO P.M. ROBINETT REGARDING RETURNED TO MY OFFICE] |
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| [CORRESPONDENCE] FROM L.I. GIBBONS TO COLONEL JOSEPH M. COLBY REGARDING INVITATION |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO GEFFS REGARDING CONGRATULATION] |
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| [LETTER FROM WARREN, J. T. TO COLBY, COLONEL JOSEPH M. REGARDING PERMISSION TO IMPORT AND OPERATE PRIVATELY OWNED AUTOMOBILE IN THE UNITED KINGDOM] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO JOHN D. BILLINGALEY REGARDING ROBERT W. ALDEN] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO GEORGE P. LLOYD REGARDING THANKS] |
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| [CORRESPONDENCE] FROM GENERAL EARL S. GRUVER TO BRIGADIER GENERAL JOSEPH M. COLBY REGARDING RETIREMENT |
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| [REPORT] RECOVERY AND REPAIR SYSTEM DURING OPERATIONS |
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| [CORRESPONDENCE FROM J. H. PHILLIPS TO JOE REGARDING CONGRATULATION][WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM BRIGADIER GENERAL JOSEPH M. COLBY TO C. E. VOEGELI REGARDING GOOD WISHES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO D. WOLKOV REGARDING LETTER] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING MEETING WITH REPRESENTATIVE][WITH ATTACHMENTS] |
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| [LETTER FROM COLBY, COLONEL JOSEPH M. TO SELEEN, BRIGADIER GENERAL P. M. REGARDING MANDERS, WILLIAM C.] |
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