| Author: | Pannekoek, Anton, 1873-1960 |
| Format: | Electronic text |
| Date issued: | 2023 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Marxism and Darwinism : $b Evidence, speeches, and papers in its favour [electronic resource] / Anton Pannekoek |