Kunitz, Stanley J.
Selected poems, 1928-1958
Little, Brown, 1958
 Buku Teks
Studies in probability and statistics : papers in honour of Edwin J. G. Pitman
edited by E. J. Williams
North-Holland Pub., 1976
 Buku Teks
Studies in English language and literature : 'doubt wisely' : papers in honour of E.G. Stanley
edited by M.J. Toswell and E.M. Tyler
Routledge, 1996
 Buku Referensi
Cole, John W.
The Hidden frontier
Academic Press, 1974
 Buku Teks
Frontier Society
Martinus Njhoff, 1971
 Buku Teks