1
Groag, Edmund
De Gruyter,,
1960,
2
Groag, Edmund
De Gruyter,,
1965,
3
Groag, Edmund
De Gruyter,,
1966,
4
Groag, Edmund
De Gruyter,,
1967,
5
Petersen, Leiva
De Gruyter,,
1970,
6
Rossi, Matilde Burri
Colombo,,
1976,
8
Petersen, Leiva
De Gruyter,,
1983,
9
Petersen, Leiva
De Gruyter,,
1998,
10
Wachtel, Klaus
De Gruyter,,
2000,