Naerssen, Frits Herman van, author
E.J. Brill, 1977
Buku Teks
Harry Hardian, author
2014
UI - Skripsi (Membership)
4148, 1999
Buku Teks
Mohammad Hatta, 1902-1980, author
Inti Idayu Press , 1985
Buku Teks
edited by Richard Mann
Gateway Books, 1995
Buku Teks