Muller, Gunther
Darmstadt Hermann Center Verlag 1957
Buku Teks
Burckhardt, Jacob, author
Leiozig Alfred Kroner 1927
Buku Teks
's Gravenhage : Martinus Nijholff
Majalah, Jurnal, Buletin
Cosmo, Umberto
Firenze La Nuova Italia c1962
Buku Teks
Qu, Yuan, author
Verlag Asia Major, 1931
Buku Teks