00656cam a2200193 4500 1041115416 TxAuBib 20231113120000.0 231111s2023||||||||||||||||||||||||eng|u 72095 Project Gutenberg PGUSA eng TxAuBib Pannekoek, Anton, 1873-1960. Marxism and Darwinism [Gutenberg] : b Evidence, speeches, and papers in its favour / Anton Pannekoek. Project Gutenberg, 2023. Project Gutenberg ; 72095 Public domain in the USA. Electronic text. Project Gutenberg ; 72095. http://www.gutenberg.org/ebooks/72095