| Subject: | HE, Postal service -- United States -- History -- Sources |
| Format: | Electronic text |
| Date issued: | 2022 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Ramsey and Carmick, contract. : Letter from the Postmaster General transmitting copy of a conditional mail contract; also copies of correspondence relative to the same [electronic resource] / Various |