|1. Cohen, Robert S. Collection.|
| a. Reprints of papers by Cahan. |
(i) “From Dust Figures to the Kinetic Theory of Gases: August Kundt and the Changing Nature of Experimental Physics in the 1860s and 1870s.”
(ii) “Kohlrausch and Electrolytic Conductivity.”
b. Printed flyer, 1989.