Recommendations of the large industrial artifact advisory panel : America's industrial heritage project, Pennsylvania. - Bowditch, John; Wilson, David T.; Singley, Katherine; Burkert, Richard; Comer, Douglas C.; United States Department of the Interior; National Park Service (Denver : Denver Service Center, 1991)
INDUS.PV/4011: met bijgevoegde brief van United States Department of the Interior, Southwestern Pennsylvania Heritage Preservation Commission
Industrieel erfgoed USA (rubricering Patrick Viaene)