Harrison, Robert. "The Hornet's Nest at Harrisburg: A Study of Pennsylvania's Legislature in the late 1870s." in Pennsylvania Magazine of History and Biography., 334-355.(1979).

On how Senator Simon Cameron and the Pennsylvania Railroad were able to dominate a legislature where turnover was high and most lawmakers were primarily concerned with passing laws to cater to local interests.

Referenced in:
Pennsylvania Politics 1865-1930.