21
Hoffmann, Otto
W De Gruyter,,
1953,
22
Debrunner, Albert
Walter de Gruyter,,
1954,
23
Rumpf, Andreas
W de Gruyter & Co,,
1956,
24
Merker, Paul
W.De Gruyter,,
1958,
25
Groag, Edmund.
Walter de Gruyter,,
1958,
26
Piel, Friedrich.
Walter de Gruyter,,
1962,
28
Opitz, Martin.
Walter de Gruyter,,
1963,
30
Hartmann, Nicolai,
W. de Gruyter,,
1964,