21
Published 2013
Oxford University Press

22
by Harman, Gilbert
Published 2000
Clarendon

23
by Slote, Michael A.
Published 1992
Oxford University Press

24
by Raz, Joseph
Published 2011
Oxford University Press

25
by Sterba, James P.
Published 2013
Oxford University Press

26
by Scheffler, Samuel
Published 1992
Oxford University Press

27
by Hill, Thomas E.
Published 2002
Clarendon

29
by Raphael, D. D.
Published 2007
Clarendon

30
by Unger, Peter K.
Published 1996
Oxford University Press

31
by LoLordo, Antonia
Published 2012
Oxford University Press

32
by Prior, A. N.
Published 1963
Oxford University Press

33
by Heuer, Ulrike
Published 2012
Oxford University Press

34
by Superson, Anita M.
Published 2009
Oxford University Press

35
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Published 2009
Oxford University Press

36
by Thorsteinsson, Runar M.
Published 2010
Oxford University Press

37
by Bunge, M.
Published 1989
Springer Netherlands

38
Published 1988
Springer Netherlands

39
by Feldman, Fred
Published 1986
Springer Netherlands

40
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Published 1983
Springer Netherlands