By Allworth, Edward, ed..
Columbia 1967 .
xiv,552p

By Bacon, Elizabeth E..
Ithaca, N.Y. Cornell University Press 1966 .
xxxix, 273 p., [16] p. of plates , Includes index.

By Caroe, Olaf Kirkpatrick.
London | Melbourne [etc.] | New York Macmillan | St. Martin's P. 1967 .
xxxv, 308 p. 22 1/2 cm..

By Wheeler, Geoffrey..
New York Frederick A. Praeger 1964 .
xi, 272 p., [8] leaves of plates