Town of Harford and Cortland County 1978 Highway Maps
Historical Marker
- The Homer Republican of August 26, 1915 reported that an "old landmark was removed at Harford Mills by Mr. Hopkins. He bought the old cobblestone school house and used the stone in the road work. In years gone by the house was known as the 'Squire Johnson house.'" Richard Palmer blog. This structure is not listed in the Roudabush Survey.
- Cobblestone Foundations in the 'Late' Cobblestone Era, by Richard F. Palmer