0?9

• 1910 establishments in Washington (state) ? (38 P)
• 1911 establishments in Washington (state) ? (1 C, 35 P)
• 1912 establishments in Washington (state) ? (37 P)
• 1913 establishments in Washington (state) ? (26 P)
• 1914 establishments in Washington (state) ? (19 P)
• 1915 establishments in Washington (state) ? (10 P)
• 1916 establishments in Washington (state) ? (24 P)
• 1917 establishments in Washington (state) ? (15 P)
• 1918 establishments in Washington (state) ? (11 P)
• 1919 establishments in Washington (state) ? (6 P)