O`Hagan, Howard
school-marm tree
Talonbooks, 1977
 Buku Teks SO
The training of rural school teachers
by M.B. Lourenco Filho ... [and others]
UNESCO, 1953
 Buku Teks
Yalman, Nur
Under the bo tree: studies in caste, kinship, and marriage in the interior of ceylon
University of California, 1967
 Buku Teks SO
Alfian
Muhammadiyah : the political behavior of a muslim modernist organization under Dutch colonialism
Gadjah Mada University Press, 1989
 Buku Teks SO
Jeroen Martijn Ten Voorde
The dutch penal code under review / Jeroen Martijn Ten Voorde
University of Indonesia, Faculty of Law, 2017
 Artikel Jurnal