Cambridge, Cambridge University Press 1989 xi + 249pp., 22cm., 2nd ed., in the series "Cambridge texts in the history of political thought", softcover, VG, ISBN 0-521-35899-X, F70801
Marston & co 1927 in4. 1927. Relié cartonné. frontispice noir et blanc
Bon Etat jauni quelques taches