21
by Hart, H. L. A.
Published 1983
Clarendon

22
by Raz, Joseph
Published 1995
Clarendon

23
by Hershovitz, Scott
Published 2008
Oxford University Press

24
by Brand, Ronald A.
Published 2007
Oxford University Press

25
by Duxbury, Neil
Published 2004
Oxford University Press

26
by Kelsen, Hans
Published 1991
Clarendon

27
by Hyland, Richard
Published 2009
Oxford University Press

28
by Vinx, Lars
Published 2007
Oxford University Press

29
by Coleman, Jules L.
Published 2001
Oxford University Press

30
by Menski, Werner
Published 2012
Oxford University Press

31
by Klatt, Matthias
Published 2012
Oxford University Press

32
by MacCormick, Neil
Published 2007
Oxford University Press

34
by Emon, Anver M.
Published 2013
Oxford University Press

35
by Stilt, Kristen
Published 2012
Oxford University Press

36
by Emon, Anver M.
Published 2010
Oxford University Press

37
Published 2013
Oxford University Press

38
by Honore, Tony
Published 2010
Oxford University Press

39
by Freeman, Michael D. A.
Published 2009
Oxford University Press

40
by Waldron, Jeremy
Published 1999
Clarendon