21
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Published 1988
Macmillan Education UK

22
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Published 1998
Macmillan Education UK

23
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Published 1990
Palgrave Macmillan UK

24
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Palgrave Macmillan UK

28
by Connolly, Sean
Published 2007
Oxford University Press

29
by Smith, Brendan
Published 2013
Oxford University Press

30
by Barnard, T. C.
Published 2000
Clarendon

31
by Rogers, Nicholas
Published 1998
Clarendon

32
by Capp, B. S.
Published 2012
Oxford University Press

33
by Webster, Wendy
Published 2007
Oxford University Press

34
by Searle, G. R.
Published 1993
Oxford University Press

35
by McGarry, Fearghal
Published 2005
Oxford University Press

36
by Lavin, Deborah
Published 1995
Clarendon

37
by Campbell, Fergus J. M.
Published 2005
Oxford University Press

38
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Published 2002
Oxford University Press

39
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Published 1998
Clarendon

40
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Published 2013
Oxford University Press