| [CORRESPONDENCE FROM JOHN G. KNAUER TO JAMES R. ARNOLD REGARDING DISCREPANCY BETWEEN LOT NUMBER AND DESCRIPTION] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO J.E. ASH REGARDING DECEMBER 1928 AND JANUARY 1929] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO J. M. BARTELS COMPANY INCORPORATED REGARDING MONEY ORDER] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO HAHN REGARDING MONEY ORDER] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GIMBELS STAMP DEPARTMENT REGARDING ORDER FROM "STAMPS" MAGAZINE] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GIMBELS DEPARTMENT STORE REGARDING PURCHASE OF COVERS] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING VARIOUS] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING REFUSED ROUTE SHEETS WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING PRAISE FOR DELF NORONA'S WORK AND BUSINESS MATTERS] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING PAYMENT FOR PURCHASES] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING MONEY ORDER] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING MONEY ORDER] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING MONEY ORDER] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING CIRCUITS] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING CIRCUITS] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO GEORGE C. HAHN REGARDING CIRCUIT AND MONEY ORDER] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO FIRST DAY COVERS REGARDING ADVERTISEMENT IN STAMPS] |
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| [CORRESPONDENCE FROM JOHN G. KNAUER TO CAPTAIN HOWARD A. VAN AUKEN REGARDING SCHEDULE FOR RE-EXAMINATIONS OF THE HEART AND ELECTROCARDIOGRAMS IN THE WEST POINT EXAMINATIONS] |
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| [CORRESPONDENCE FROM JOHN E. PAPLOW TO J.G. KNAUER REGARDING DECEMBER 20 LETTER] |
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| [CORRESPONDENCE FROM JERRY J. NOLAN TO COLONEL J. G. KNAUER AND HODELOLE RONU REGARDING INVENTORY AND CONDITION REPORT] |
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