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
0521070511
0521082307
Access:Electronic access restricted to Villanova University patrons.