Walla Walla County (Wash.)
"Walla Walla Beautiful."
Northwest Room. Spokane Public Library.
This set was published in 1906 and due to the expiration of the copyright term can be freely used without restriction.
None, “Vol7_p03,” Spokane Public Library, accessed June 1, 2020, https://lange.spokanelibrary.org/items/show/76.