Savigny, Eike von
Karl Alber Freiburg , 1969
Buku Teks
Katz, Jerrold J., author
Suhrkamp, 1969
Buku Teks
Beltz verlag, 1979
Buku Teks
Henle, Paul
Suhrkamp, 1975
Buku Teks
edited by Marcelo Dascal, Dietfried Gerhardus, Kuno Lorenz and Georg Meggle
Walter de Gruyter, 1992
Buku Referensi