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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Postal service
Filter: Year of 1900-1999
Filter: Type of Document
| Date: | 09 20 1920 |
|---|---|
| Description: | Photograph of Alfred Lawson's telegram confirming that Otto Praeger, second assistant United States Postmaster General, had received Alfred Lawson's air ma... |
| Date: | 09 13 1920 |
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| Description: | Letter to Alfred Lawson from Otto Praeger, the second assistant Postmaster General, accepting Lawson's proposals for carrying air mail along three routes: ... |
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