1
Gepubliceerd in: [1931]
Superior document: Title is part of eBook package: De Gruyter CUP eBook Package Archive 1898-1999 (pre Pub)
Links: Volledige tekst; Cover
2
Gepubliceerd in: [2017]
Superior document: Title is part of eBook package: De Gruyter DGBA History 1990 - 1999
Links: Volledige tekst; Volledige tekst; Cover