| [CORRESPONDENCE FROM L. H. CAMPBELL JR. TO JOSEPH M. COLBY REGARDING CONGRATULATION] |
|
| [CORRESPONDENCE FROM UNDETERMINED TO HENRY N. MARSH REGARDING PERSONAL UPDATE] |
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| [CORRESPONDENCE FROM C.J. REESE TO BRIGADIER GENERAL JOSEPH M. COLBY REGARDING LETTER OF 10 SEPTEMBER] [WITH ATTACHMENTS] |
|
| [REPORT REGARDING INVENTION OF GUN MOUNT FOR ARMORED STRUCTURES] |
|
| [CORRESPONDENCE FROM LIEUTENANT COLONEL EDWARD GLUCK TO COLONEL JOSEPH M. COLBY REGARDING ANNUAL MEETING] |
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| [CORRESPONDENCE FROM G.W. MASON TO COLONEL JOSEPH M. COLBY REGARDING LUNCHEON] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO R.E. STARR REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE] FROM COLONEL JOSEPH M. COLBY TO MR. COURTNEY JOHNSON REGARDING ORDERS |
|
| [CORRESPONDENCE FROM JOSEPH M. COLBY TO S.E. REIMEL REGARDING CONGRATULATIONS] |
|
| [CORRESPONDENCE FROM WAR DEPARTMENT, ORDNANCE DEPARTMENT, DETROIT ARSENAL TO COLONEL W. E. BECKER REGARDING SEASONS GREETINGS WISHES] |
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| [CORRESPONDENCE] FROM BRIGADIER GENERAL JOSEPH M. COLBY TO MR. HORACE G. DAGGETT REGARDING "QUADRANGLE" DAYS |
|
| [MEMORANDUM FROM JOSEPH M. COLBY TO W. F. ROCKWELL, JR. REGARDING GENERAL MILLS] |
|
| [REPORT] TORSION-BAR SUSPENSION |
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| [CORRESPONDENCE] FROM COLONEL JOSEPH M. COLBY TO COLONEL JOHN W. COFFEY REGARDING GERMANY |
|
| [CORRESPONDENCE FROM JOSEPH M. COLBY TO ELI REGARDING SUNDAY BEFORE CHRISTMAS] |
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| [CORRESPONDENCE] FROM AVV. MARIO E. ALESSANDRO D'URSO TO MR. JOSEPH M. COLBY REGARDING REPLY TO LETTER |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.B. JARRETT REGARDING COMPILATION OF FILM] |
|
| [CORRESPONDENCE FROM JOSEPH M. COLBY TO E. GRAY REGARDING REDUCTION OF FORCE] |
|
| [CORRESPONDENCE FROM UNDETERMINED TO JOSEPH M. COLBY REGARDING INVENTION] [WITH ATTACHMENTS] |
|
| [MEMORANDUM FROM M. E. SMITH TO JOSEPH COLBY REGARDING ORDERS] |
|