Suyono
Permainan dan Manusia : Suatu Telaah Filsafat Mengenai Homo Ludens Johan Huizinga
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2001
 UI - Tesis Membership
Reardon. Bernard M.G.
Religious thought in the reformation / Bernard M.G. Reardon
Longman, 1981
 Buku Teks SO
The price revolution in sixteenth-century England
edited by Peter H. Ramsey
Methuen, 1971
 Buku Teks SO
Wallerstein, Immanuel
The Modern world-system I: capitalist agriculture and the origins of the European world-economy in the sixteenth century / Immanuel Wallerstein
Academic Press, 1974
 Buku Teks SO
Oeckl, Albert
Taschenbuch des offentlichen lebens bundesrepublik Deutschland / Albert Oeckl
Festland Verlag GMBH, 1972
 Buku Referensi