Testimony of George Arents, May 10, 1887, PRC, 1:266-67.

Testimony of John H. Haar, May 14, 1887, PRC, 1:405-8.

Testimony of Albert Rosenbaum, May 6, 1887, PRC, 1:246-55.

Testimony of Washington E. Connor, May 13, 1887, PRC, 1:402.

Harrison Hong, Jose A. Scheinkman, and Wei Xiong, "Asset Float and Speculative Bubbles," Journal of Finance 51 (June 2006), 1073-116.