R.L. and Company Polk

• 1949-50 Polk's Astoria, Oregon City Directory, Vol. XX : Containing an Alphabetical Directory of Business Concerns and Private Citizens of the Cities of Astoria, Gearhart, Seaside, Warrenton, and Westport
• 1951 Polk's Astoria City Directory Vol. XXI
• 1953-54 Polk's Astoria (Clatsop County, Ore.) City Directory Vol. XXII, Including Gearhart, Seaside, Warrenton, and Westport; Containing an Alphabetical Directory of Business Concerns and Private Citizens, a Directory of Householders, Occupants of Office