According to a historylink.org article on Thomas W. Prosch "this chronological history of Seattle from 1850-1897...was still unpublished when he died. The manuscript of this book was typed and the typescript bound as a Works Progress Administration...
Tabulation of statistics from the 1920 United States Federal Census, showing total population and population by sex and race for precincts and enumeration districts of Seattle. Racial categories are White, Negro, Indian, Chinese, Japanese, and...