-
1od Calvert AssociatesLocation: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Izdano 1928
Polni tekst
Pamphlet -
2od Calvert AssociatesLocation: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Izdano 1924
Polni tekst
Pamphlet -
3od The Calvert Associates; Williams, Michael, 1878-1950Location: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Izdano c. 1925
Polni tekst
Leaflet -
4