Findley, James C. (September 1959). "Cross-Filing and the Progressive Movement in California Politics". The Western Political Quarterly. 12 (3): 699–711. doi:10.2307/443867. JSTOR443867.
jstor.org
Findley, James C. (September 1959). "Cross-Filing and the Progressive Movement in California Politics". The Western Political Quarterly. 12 (3): 699–711. doi:10.2307/443867. JSTOR443867.