| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. BARNES REGARDING CAPTAIN GRIFFIN] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. BARNES REGARDING APPRECIATION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.I. CHINN REGARDING OUT OF ACTION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.H. SIMPSON REGARDING ARMORED SCHOOL MANUAL] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.H. FROEBEL REGARDING CONGRATULATIONS] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.H. DREWRY REGARDING FORWARDED PHOTOGRAPHS AND LETTERS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.E. YOUNG REGARDING INVITATION TO TOUR THE MANUFACTURING PLANT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.B. RICHARDSON REGARDING COPY OF MR. PIEL'S SPEECH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.B. JARRETT REGARDING COMPILATION OF FILM] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G. N. BARNES REGARDING REQUESTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G. L. FLANNERY REGARDING LIST OF OFFICERS PLAYING LEADING ROLES IN ARMY MATERIAL ACTIVITIES][WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G. G. BEARD REGARDING ACCEPTANCE OF INVITATION TO RECEPTION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G. A. ALEXANDER REGARDING PUMPLESS GAS ENGINE PROGRAM AT SOUTHWEST RESEARCH INSTITUTE] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO FREDERICK R. YOUNG REGARDING LEGION OF MERIT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO FRED M. ZEDER REGARDING LETTER OF JUNE 26] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO FRED L. HALL REGARDING UNEXPECTED REQUIREMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO FRANK REED REGARDING APPRECIATION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO FRANK R. WILLIAMS REGARDING DEVELOPMENT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO FRANK OGDEN REGARDING CONSIDERABLE ABSENCE] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO FRANK M. WHITE REGARDING THE INDUSTRIAL GROUP] |
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