McKillop, Alan Dugald, author
University of Kansas Press, 1956
Buku Teks
edited by Arvind Krishna Mehrotra
Permanent Black in association with Ravi Dayal Publishers, 2003
Buku Teks
Scott-James, R.A., author
Longman, 1951
Buku Teks
Karl, Frederick R., author
Thames & Hudson, 1970
Buku Teks
Sitter, John, author
Cambridge University Press, 2011
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