State of Washington, on the relation of the City of Seattle, a municipal corporation, Petitioner and Relator, vs. the Public Service Commission of the State of Washington, E. F. Blaine, Arthur A. Lewis and Frank R. Spinning, constituting such Public Service Commission; and the Pacific Telephone & Telegraph Company, a corporation, and Albert S. Burleson, Postmaster General of the United States, as Director of Telegraph and Telephone Systems, Respondents. State of Washington, on the relation of the City of Tacoma, a municipal corporation, Petitioner and Relator, vs. the Public Service Commission of the State of Washington, E. F. Blaine, Arthur A. Lewis and Frank R. Spinning, constituting such Public Service Commission; and the Pacific Telephone & Telegraph Company, a corporation, and Albert S. Burleson, Postmaster General of the United States, as Director of Telegraph and Telephone Systems, Respondents., 1920, Box: 41, Folder: 2. Supreme Court Briefs, 4404-01. Seattle Municipal Archives. https://leglas100/finding-aids/repositories/2/archival_objects/171122 Accessed June 23, 2026.