Original source: Merlin Data Publishing Corporation, comp. Historical Residential White Page, Directory Assistance and Other Household Database Listings. Merlin Data Publishing Corporation, 215 South Complex Drive, Kalispell, MT 59901.
The purpose of the site is to have links to all online city directories in one place, listed by location and in date order. It is meant to be used as an aid to genealogists, historians, and other researchers. Included are county, rural, business, professional and other directories.