publisher: University of Nebraska Press publish date: March 28th 1970
format: paperback pages: 112
language: English
ISBN:
0803253745 (9780803253742)
publisher: University of Nebraska Press publish date: May 28th 1970
format: hardcover pages: 112
language: English
ISBN:
0803203756 (9780803203754)
language: English
ISBN:
071315571X (9780713155716)
language: English
ISBN:
0713155728 (9780713155723)