| Author: | Berthold, Victor Maximilian, 1856-1932 |
| Subject: | HE, Postage stamps -- United States |
| Format: | Electronic text |
| Date issued: | 2012 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Die Varieties of the Nesbitt Series of United States Envelopes [electronic resource] / Victor Maximilian Berthold |