Mumford, Lewis, author
The literary Guild of America , 1929
Buku Teks
Humpreys, A.R., author
Grove Press, 1962
Buku Teks
Bergeijk, Herman Van
Birkhauser Verlag, 1997
Buku Teks
De Bezige Bij, 1964
Buku Teks
Schilp, C.A., author
Moussault, 1967
Buku Teks