*Abbott, Newton Carl, and Fred E. Carver; compiled by J. W. Helm. ''Evolution of Washington Counties''. [S.l.] : Yakima Valley Genealogical Society & Klickitat County Historical Society, 1978. {{FSC|206667|item|disp=FS Library Book 979.7 D25a; Fiche 6051194 (3 fiche)}}; [http://www.worldcat.org/oclc/54667587 WorldCat entry for 2000 ed]. | *Abbott, Newton Carl, and Fred E. Carver; compiled by J. W. Helm. ''Evolution of Washington Counties''. [S.l.] : Yakima Valley Genealogical Society & Klickitat County Historical Society, 1978. {{FSC|206667|item|disp=FS Library Book 979.7 D25a; Fiche 6051194 (3 fiche)}}; [http://www.worldcat.org/oclc/54667587 WorldCat entry for 2000 ed]. |