Webster, D. H., Campbell, E. H., & Smith, G. D. (1960). The legislature and the legislative process in the state of Washington (Rev.). Bureau of Governmental Research and Services, University of Washington.

Webster, Donald H., Ernest Howard Campbell, and George Duncan Smith. The Legislature and the Legislative Process in the State of Washington. Rev. Seattle: Bureau of Governmental Research and Services, University of Washington, 1960.

Webster, Donald H., et al. The Legislature and the Legislative Process in the State of Washington. Rev. Bureau of Governmental Research and Services, University of Washington, 1960.