(2013). Calendar of the patent rolls, preserved in the public record office: Henry VI, 1422-1429 (Searchable text edition.). TannerRitchie Publishing in collaboration with the Library and Information Services of the University of St. Andrews.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումCalendar of the Patent Rolls, Preserved in the Public Record Office: Henry VI, 1422-1429. Searchable text edition. Burlington, Ontario: TannerRitchie Publishing in collaboration with the Library and Information Services of the University of St. Andrews, 2013.
MLA (9րդ խմբ.) ՄեջբերումCalendar of the Patent Rolls, Preserved in the Public Record Office: Henry VI, 1422-1429. Searchable text edition. TannerRitchie Publishing in collaboration with the Library and Information Services of the University of St. Andrews, 2013.