| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Development of Rates of Postage An Historical and Analytical Study | Smith, A. D. | en | Samuel, Herbert [Contributor] | 2010-09-28 | |||
| Cheap Postage | Leavitt, Joshua, 1794-1873 | en | 2008-11-07 | ||||
| The Postage Stamp in War | Melville, Fred. J. | en | 2010-09-27 |