By Allen, J. P. B..
London : University Press, 1974 0194375102

By Allen, J. P. B..
Oxford : Oxford University Press, 1978 0194375048

By Maclean, Joan.
London : University Press, 1975 019437503X

By Glendinning, Eric H..
Oxford : University Press, 1974 0194375129

By Mountford, Alan.
London : University Press, 1975 .
108 p. : 23 cm.
0194375110

By Mountford, Alan.
Oxford : Oxford University Press, 1979 0-19-437514-5