|1. Cohen, Robert S. Collection.|
| a. Correspondence. |
b. Papers by Jeffrey Barnouw.
(i) “Natural Signs and the Sign Theory of Perception and Thought from Chrysippus to Dewey,” TS.
(ii) “Man Making History: The Role of the Plebeians in Vico, the Proletariat in Marx,” copy.
(iii) “The Philosophical Achievement and Historical Significance of Johann Nicolas Tetens,” reprint.