1
by Gomme, George Laurence
Published 1897
A. Constable

5
by Kennedy, William
Published 1913
G. Bell & Sons
...Series of the London School of Economics and Political Science...

6
by Higgins, Alexander Pearce
Published 1922
T. Fisher Unwin
...London School of Economics and Political Science...

7
by Schuyler, Robert Livingston
Published 1923
Macmillan

8
by Bowley, Arthur Lyon
Published 1907
P.S. King & Son