| Author: | Smith, A. D. (Alfred Daniel), 1870-1963 |
| Subject: | HE, Postal rates |
| Format: | Electronic text |
| Date issued: | 2010 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Development of Rates of Postage : An Historical and Analytical Study [electronic resource] / A. D. Smith |