Koch, R., & Holland, V. B. (1930). The book of signs: Which contains all manner of symbols used from the earliest times to the middle ages by primitive peoples and early Christians. Dover Publications.
Citace podle Chicago (17th ed.)Koch, Rudolf, a Vyvyan Beresford Holland. The Book of Signs: Which Contains All Manner of Symbols Used from the Earliest Times to the Middle Ages by Primitive Peoples and Early Christians. [New York]: Dover Publications, 1930.
Citace podle MLA (9th ed.)Koch, Rudolf, a Vyvyan Beresford Holland. The Book of Signs: Which Contains All Manner of Symbols Used from the Earliest Times to the Middle Ages by Primitive Peoples and Early Christians. Dover Publications, 1930.
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