Bochenski, I.M.
Francke Verlag, 1947
Buku Teks
Arndt, P. P.
Ende Arnoldus 1933
Buku Teks
Carlberg, Bjorn
Lund Berlingska Boktrykeriet 1948
Buku Teks
Schumacher, Rudiger, author
Munchen Emil Katzbichler 1986
Buku Teks
Rae, Alastair I. M., author
Cambridge University Press, 2012
Buku Teks