Mayo, Elton
Harvard University Press, 1948
Buku Teks SO
S. Soejatmi Satari
Yogayakrta International Association of Historians of Asia (IAHA) 1974
Buku Teks
Prag, John
British Museum Press, 1999
Buku Teks SO
Charlotta Hillerdal, Johannes Siapkas, editors
Routledge, 2015
Buku Teks SO
Morawetz, Cathleen S.
Society for Industrial and Applied Mathematics, 1975
eBooks