Historical Researches in Western Pennsylvania, Principally Catholic. American Catholic Historical Society.
Citazione stile Chigago Style (17a edizione)Historical Researches in Western Pennsylvania, Principally Catholic. American Catholic Historical Society.
Citatione MLA (8a ed.)Historical Researches in Western Pennsylvania, Principally Catholic. American Catholic Historical Society.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.