Royce D. Delmatier, Clarence F. McIntosh, Earl G. Waters (eds.), The Rumble of California Politics 1848–1970 (New York: John Wiley & Sons, Inc., 1970, 100s. cloth, 53s. paper). Pp. x, 483. - Leroy C. Hardy, California Government (3rd ed., New York: Harper & Row, 1970, 28s. paper). Pp. v, 149. - John A. Hawgood (ed.), First and Last Consul: Thomas Oliver Larkin and the Americanisation of California: A Selection of Letters (2nd ed., Palo Alto, Calif.: Pacific Books, 1970, $5.75 cloth). Pp. xxxviii, 147. - Margaret Miller Rocq (ed.), California Local History: A Bibliography and Union List of Library Holdings (2nd ed., rev. and enl., Stanford: Stanford University Press, 1970, £16.75 cloth). Pp. xv, 611.