http://catalog.jhia.ac.ke/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Firth%2C%20Raymond%22&sort_by=relevance&format=rss 3 0 50 ISBN: http://catalog.jhia.ac.ke/cgi-bin/koha/opac-detail.pl?biblionumber=8582 By Firth Raymond.
London; | New York [etc.]: T. Nelson and sons, ltd., 1938 .
vi, 7-211, (1) p. , "First published in this series, autumn 1938." 19 cm..

]]> http://catalog.jhia.ac.ke/cgi-bin/koha/opac-detail.pl?biblionumber=8582 ISBN: http://catalog.jhia.ac.ke/cgi-bin/koha/opac-detail.pl?biblionumber=8637 By Firth Raymond.
Boston: Beacon Press, 1963 .
xi, 260 p. 21 cm..

]]> http://catalog.jhia.ac.ke/cgi-bin/koha/opac-detail.pl?biblionumber=8637 ISBN: http://catalog.jhia.ac.ke/cgi-bin/koha/opac-detail.pl?biblionumber=9644 By Firth, Raymond.
New York: Macmillan, 1959 .
360 p. 24 cm..

]]> http://catalog.jhia.ac.ke/cgi-bin/koha/opac-detail.pl?biblionumber=9644