Handbook of marine mammals; Volume 4, river dolphins and the larger toothed whales
edited by Sam H. Ridgway and Richard J. Harrison
Academic Press, 1989
 Buku Referensi
Poems old and new: an anthology
edited by A.S. Cairncross
Macmillan, 1937
 Buku Teks SO
Warner, Alan
English poems and ballads : an anthology of narrative verse
Oxford University Press, 1957
 Buku Teks SO
Kroeber, Karl
Studying poetry : a critical anthology of English and American poems
Harper and Row, 1965
 Buku Teks SO
Two ways of seeing : an anthology of poems and photographs
edited by Wilson G. Pinney and Allen Say
Little, Brown, 1971
 Buku Teks SO