publisher: University of Nebraska Press publish date: January 1st 1971
format: paperback pages: 131
language: English
ISBN:
0803253761 (9780803253766)
language: English
ISBN:
0713156392 (9780713156393)
language: English
ISBN:
0803203772 (9780803203778)
language: English
ISBN:
0713156406 (9780713156409)