format: paperback pages: 542
language: English
ISBN:
0674613066 (9780674613065)
publisher: Beacon Press publish date: January 28th 1961
format: paperback
language: English
ISBN:
0807051896 (9780807051894)
publisher: Harvard University Press publish date: January 1st 1939
format: hardcover pages: 542
language: English
ISBN:
0674613058 (9780674613058)