| [CORRESPONDENCE FROM T.P. ARCHER TO JOSEPH M. COLBY REGARDING LETTER OF MARCH 13] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM B.J. LEMON TO A.W. HERRINGTON REGARDING INVITATION] |
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| [CORRESPONDENCE FROM J.H. FRYE TO JOSEPH M. COLBY REGARDING POSSIBLE RAD FACILITY] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM W.E. HOFFMAN TO JOSEPH M. COLBY REGARDING APPLICATION OF GAS TURBINES] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM J.E. GOODMAN TO JOSEPH M. COLBY REGARDING LETTER OF JANUARY 1] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO GILBERT R. COOK REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO BENJAMIN G. FERRIS REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO W.B. KERN REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO HENRY L. JONES REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO R.E. STARR REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO ISAAC H. RITCHIE REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO A.C. BLACK REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM E.J. DAWLEY TO JOSEPH M. COLBY REGARDING DETROIT] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM O.R. SKELTON TO JOSEPH M. COLBY REGARDING SET OF PICTURES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO J.N. CRITCHLOW REGARDING APPRECIATE YOUR COURTESIES] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM A.B. QUINTON TO JOSEPH M. COLBY REGARDING LETTER OF 31 JANUARY] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO W.E. HAFFMAN REGARDING FIRE POWER] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO L.D. COSART REGARDING MR. DEMETRY] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO L.D. COSART REGARDING MR. DEMETRY] |
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| [CORRESPONDENCE FROM H.S. COLBY TO JOSEPH M. COLBY REGARDING VISIT IN DETROIT] |
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| [CORRESPONDENCE FROM THOMAS L. JAMES TO JOSEPH M. COLBY REGARDING BRITISH MAJOR-GENERAL] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO E.T. RAGSDALE REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO C.L. SCOTT REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO GEORGE M. DEAN REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO D.V. HIGHTOWER REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO L.B. COLE REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO LESTER ROBERTS REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO R.J. GRONDONA REGARDING MINUTES OF MEETING] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO E.L. CUMMINGS REGARDING MINUTES OF MEETING] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO C.A. CHAYNE REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO R.W. HIRD REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO E.J. DAWLEY REGARDING COPY OF MINUTES] |
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| [CORRESPONDENCE FROM O.R. SKELTON TO JOSEPH M. COLBY REGARDING TELETYPE] |
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| [CORRESPONDENCE FROM C.L. SCOTT TO N. DREYSTADT REGARDING THANK YOU] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM ROBERT J. ICKS TO JOSEPH M. COLBY REGARDING HANDBOOK OF COMBAT VEHICLE ENGINEERING] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO J.E. GOODMAN REGARDING INSTRUCTIONS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO N. DREYSTADT REGARDING LAST WEEK IN DETROIT] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO J.E. GOODMAN REGARDING INSTRUCTIONS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING COMPLIANCE] |
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| [CORRESPONDENCE FROM L.G. RUPERT TO JOSEPH M. COLBY REGARDING SON JACK] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO JOHN A.C. WARNER REGARDING LETTER OF 24 JANUARY 1945] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING INTEGRATED FIRE CONTROL SYSTEM FOR TANKS] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO O.R. SKELTON REGARDING AHEAD OF SCHEDULE] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO EFFIE COCKMAN REGARDING CONGRATULATIONS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO GILBERT R. COOK REGARDING LIST OF PEOPLE] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO W.F. BEASLEY REGARDING MODIFICATIONS OF STANDARD AND LIMITED PROCUREMENT MATERIEL] |
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| [CORRESPONDENCE FROM UNDETERMINED TO JOSEPH M. COLBY REGARDING THANK YOU] |
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| [CORRESPONDENCE FROM J.A.C. WARNER TO JOSEPH M. COLBY REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM O.E. CHAPMAN TO JOSEPH M. COLBY REGARDING GREETINGS AND BEST WISHES] |
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| [CORRESPONDENCE FROM UNDETERMINED TO ELI REGARDING DETROIT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO L.G. RUPERT REGARDING LETTER OF 15 JANUARY] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING DAMAGE OF VEHICLES DURING OVERSEAS SHIPMENT] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO E.E. BLAUROCK REGARDING YOUR LETTER] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO W.E. HOFFMAN REGARDING SNAP SHOTS] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO MARGARET DEVEREUX REGARDING MEMORANDUM OF 16 JANUARY] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO B.J. LEMON REGARDING T48 RUBBER CHEVRON TRACK] |
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| [CORRESPONDENCE FROM WEAVER TO JOSEPH M. COLBY REGARDING TRAVEL ORDERS AND EQUIPMENT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO ROGER S. WARNER REGARDING COPY OF FINAL REPORT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. BARNES REGARDING CAPTAIN GRIFFIN] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO A.V. GOLDING REGARDING REGRET] |
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| [CORRESPONDENCE FROM L.G. RUPERT TO JOSEPH M. COLBY REGARDING ENCLOSED CLIPPING] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO R.B. BURTON REGARDING RECEIPT OF YOUR SUGGESTION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO H.W. GOULDTHORPE REGARDING VISIT IN NEW YORK] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO W.C. BEAMER REGARDING SPECIAL ASSIGNMENT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. ROSS REGARDING SUGGESTION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO W.E. HOFFMAN REGARDING APPRECIATION] |
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| [CORRESPONDENCE FROM G.M. ROSS TO JOSEPH M. COLBY REGARDING SEVERAL ENGINE PROJECTS] |
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| [CORRESPONDENCE FROM N. DREYSTADT TO JOSEPH M. COLBY REGARDING ATTACHED LETTERS] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO N. DREYSTADT REGARDING NOTE OF 2 JANUARY 1945] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO J.J. ROBSON REGARDING FIVE MONTH INVESTIGATION] |
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| [CORRESPONDENCE FROM N. DREYSTADT TO JOSEPH M. COLBY REGARDING RECENT VISIT TO CADILLAC PLANT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. BARNES REGARDING LIGHT TRACTORS] |
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| [CORRESPONDENCE FROM C.L. SCOTT TO JOSEPH M. COLBY REGARDING THANK YOU] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. BARNES REGARDING INSTRUCTIONS] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM R.C. SACKETT TO JOSEPH M. COLBY REGARDING- LETTER OF JANUARY 2] |
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| [CORRESPONDENCE FROM O.E. HUNT TO JOSEPH M. COLBY REGARDING LETTER OF DECEMBER 21ST] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO HENRY HOWARD REGARDING COLLECTION OF STORIES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO HENRY HUND REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO M.A. THORNE REGARDING LEDGER FOR 1944] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO HENRY PARSONS ERWIN REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. BURGESS REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO HOWARD COOK REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO H.J. PREBENSEN REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO H.V. ANDERSON REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO H.S. SMITH REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO ARTHUR DOMONOSKE REGARDING CHRISTMAS GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO H.S. COLBY REGARDING HOLIDAY GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO D.S. HARDER REGARDING APPRECIATION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO J.E. GOODMAN REGARDING APPRECIATION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO M.G. STERNBERG REGARDING ACTIVITIES OF 1944] |
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| [CORRESPONDENCE FROM JOHN L. PIERCE TO NICHOLAS DREYSTADT REGARDING RECEIVED 25 M-24 LIGHT TANKS] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOHN K. CHRISTMAS TO VARIOUS REGARDING THOMAS A. DEMETRY] |
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| [CORRESPONDENCE FROM W.E. HOFFMAN TO JOSEPH M. COLBY REGARDING ATTACHED CORRESPONDENCE] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. BARNES REGARDING APPRECIATION] |
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| [CARD FROM UNDETERMINED TO JOSEPH M. COLBY REGARDING SEASON'S GREETINGS] |
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| [CORRESPONDENCE FROM L.H. CAMPBELL TO JOSEPH M. COLBY REGARDING CHRISTMAS GREETINGS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO ELI REGARDING SUNDAY BEFORE CHRISTMAS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO G.M. BARNES REGARDING CARGO CARRIER] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO JACK REGARDING CHRISTMAS TREE] |
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| [CORRESPONDENCE FROM JOHN F. GORDON TO JOSEPH M. COLBY REGARDING END OF THE YEAR] |
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| [CORRESPONDENCE FROM THOMAS G. GENTEL TO R.E. LEWIS REGARDING BATTLEFIELD MOBILITY] |
|