A register of the ancestors of Dorr Eugene Felt and Agnes (McNulty) Felt
Dorr Felt – Computer Timeline
Dorr Felt - Wikipedia
The Felt Estate and Shore Acres Farm | Holland MI
Wedding at Western Michigan Mansion
History — The Felt Estate
Dorr Eugene Felt - Biography, History and Inventions - History-Computer
Dorr Felt – Computer Timeline
National Museum of American History
Renovated, but Felt Mansion Remains Haunted: Saugatuck, Michigan
Profile America: Summing It Up — The Adding Machine | The Bronx Chronicle
A Tour of the Felt Mansion in Holland - kaitlyncolephotography.com
Taking a walk through Felt Mansion
Dorr E. Felt (r) and partner Robert Tarrant (l) - CHM Revolution
Dorr Felt – Computer Timeline
Felt Mansion opens for special summer Sunday tour dates – Laketown Township
Dorr E. Felt Collection: Felt and Tarrant Manufacturing Records, 1916-1926
A Tour of the Felt Mansion in Holland - kaitlyncolephotography.com
Felt Mansion Historical Marker
Library with portrait of Dorr Felt - Picture of The Felt Estate, Holland - Tripadvisor
The 1920s Felt Mansion In Michigan Offers Self-Guided Tours
Dorr Felt's Comptometer | Warehouse 13 Artifact Database Wiki | Fandom
