Engels, Friedrich, 1820-1895.

The Part played by labour in the transition from ape to man [electronic resource] / Frederick Engels. - London : Electric Book Co., c2001. - 20 p.


Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries.




Work.
Evolution.


Electronic books.

HD4904 / .E614 2001