Naerssen, Frits Herman van
The economic and administrative history of early Indonesia
E.J. Brill, 1977
 Buku Teks SO
Kaufman, Herbert
The forest ranger: a study in administrative behavior
John Hopkins, 1960
 Buku Teks SO
Toynbee, Arnold J.
A study of history
Oxford University Press, 1948
 Buku Teks SO
Toynbee, Arnold J.
A study of history
Oxford University Press, 1955
 Buku Teks SO
Toynbee, Arnold J.
Study of history
Oxford University Press, 1954
 Buku Teks