| Author: | Boyer, Charles S. (Charles Sumner), 1856-1928 |
| Subject: | QK, Diatoms -- Pennsylvania -- Philadelphia |
| Format: | Text |
| Date issued: | 2014 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Diatomaceæ of Philadelphia and Vicinity [electronic resource] / Charles S. Boyer |