Heraldry – Customs, Rules, and Styles

von Volborth, C.-A., Heraldry – Customs, Rules, and Styles, 1981, Poole: Blandford Press and 1991, London: New Orchard Editions (Cassel) [ISBN 1 85079 037 X] UL: 494:1.b.95.6 (North Front, Floor 3)