1
Friedrich, Karl
Teubner,,
1930,
2
Friedrich, Karl Joachim
Univ of Chicago Press,,
1958,
3
Zangemeister, Karl Friedrich Wilhelm.
de Gruyter,,
1958,
4
Leo, Friedrich
Storia e Letteratura,,
1960,
5
Hegel, Georg Wilhelm Friedrich
F Frommann,,
1965,
6
Hegel, Georg Wilhelm Friedrich
F Frommann,,
1965,
7
Hegel, Georg Wilhelm Friedrich
F Frommann,,
1965,
10
Hegel, Georg Wilhelm Friedrich
F Frommann,,
1971,