Goetz, Hermann, author
Grown, 1959
Buku Referensi
Spear, Percival, author
University of Michigan Press, 1961
Buku Teks
Spear, Percival, author
The University of Michigan Press, 1961
Buku Teks
Chandra, Bipan
National Council of Educational Research and Training, 1971
Buku Teks
Srinivas, M.N., author
University of California Press, 1973
Buku Teks
Mookerjee, Ajit
Thames and Hudson, 1985
Buku Teks