Cullen, Charles G., author
PWS-Kent Publishing, 1991
Buku Teks
Olmsted, John M. H.
Appleton-Century-Crofts, 1968
Buku Teks
McAdams, Alan K., author
Macmillan, 1970
Buku Teks
Cartan, Henri, author
Houghton Mifflin, 1971
Buku Teks
Narayan, Shanti, author
Shyam Lal Charitable Trust, 1979
Buku Teks