Item Description: Some vols. are 2nd ed.; v. 14 lacks edition statement.
Individual chapters have already appeared as fascicles, 1961-1968.
Physical Description: v. : ill., maps (some col.) ; 24 cm.
Bibliography: Includes bibliographies and indexes.
ISBN: 0521850738 (set)
0521070511 (v. 1, pt. 1)
0521082307 (v. 2, pt. 1)
Access: Electronic access restricted to Villanova University patrons.