publisher: Northwestern University Press publish date: December 1st 1971
format: paperback pages: 347
language: English
ISBN:
0810106086 (9780810106086)
publisher: Northwestern University Press (Evanston, IL) publish date: June 1971
format: hardcover pages: 359
language: English
ISBN:
0810103516 (9780810103511)
ASIN: 810103516