1891
Busch, Albert.
De Gruyter,,
2017,
Naver
1892
Busch, Albert.
De Gruyter,,
2015,
Naver
1893
Heilinger, Jan-Christoph.
De Gruyter,,
2015,
Naver
1894
Stuckenbruck, Loren T.
De Gruyter,,
2007,
Naver
1895
Boettcher, Wolfgang.
De Gruyter,,
2009,
Naver
1896
Eva-Maria Jakobs, Eva-Maria.
De Gruyter,,
2014,
Naver
1897
Holl, Karl.
De Gruyter,,
2012,
Naver
1898
Holl, Karl.
De Gruyter,,
2012,
Naver
1899
Habscheid, Stephan.
De Gruyter,,
2018,
Naver
1900
Wiegand, Herbert Ernst.
De Gruyter,,
2005,
Naver