Wolfgang Pfeifer: Etymologisches Wörterbuch des Deutschen. Akademie, Berlin 1989 and other editions, s.v. (online18 Mayıs 2022 tarihinde Wayback Machine sitesinde arşivlendi.); Etymological Dictionary of the German Language. Revised by Elmar Seebold. 25th, reviewed and expanded edition. De Gruyter, Berlin/Boston 2011, s.v.; Arthur Suhle: Kulturgeschichte der Münzen. Battenberg, München 1969, p.117. – According to another thesis by Arthur Suhle: Deutsche Münz- und Geldgeschichte von den Anfängen bis zum 15.Jahrhundert, Battenberg, Munich, 1964, p.157 this description may refer to the double cross = crossus of the original coinage, which appeared on very many coins of this type until about 1500 und was then later replaced by the imperial apple with the number 24 until the 18th century.
Wolfgang Pfeifer: Etymologisches Wörterbuch des Deutschen. Akademie, Berlin 1989 and other editions, s.v. (online18 Mayıs 2022 tarihinde Wayback Machine sitesinde arşivlendi.); Etymological Dictionary of the German Language. Revised by Elmar Seebold. 25th, reviewed and expanded edition. De Gruyter, Berlin/Boston 2011, s.v.; Arthur Suhle: Kulturgeschichte der Münzen. Battenberg, München 1969, p.117. – According to another thesis by Arthur Suhle: Deutsche Münz- und Geldgeschichte von den Anfängen bis zum 15.Jahrhundert, Battenberg, Munich, 1964, p.157 this description may refer to the double cross = crossus of the original coinage, which appeared on very many coins of this type until about 1500 und was then later replaced by the imperial apple with the number 24 until the 18th century.
