Kay, E. J. d. (1993). Heraldry in the episcopal church: How ecclesiastical coats of arms depict the history of the church / Eckford de Kay. Acorn Press.
Chicago-referens (17:e uppl.)Kay, Eckford J. de. Heraldry in the Episcopal Church: How Ecclesiastical Coats of Arms Depict the History of the Church / Eckford De Kay. San Jose, California: Acorn Press, 1993.
MLA-referens (8:e uppl.)Kay, Eckford J. de. Heraldry in the Episcopal Church: How Ecclesiastical Coats of Arms Depict the History of the Church / Eckford De Kay. Acorn Press, 1993.
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