Belknap Press / Harvard University Press, 1971. 8Vo Hardcover. 500pp. Gray boards, black lettering on spine. Text is clean on unmarked, uncreased pages. Hinges are secure, textblock is square with a waterwrinkle on first 100 pages. Moderate+ overall book shelf/timewear, boardwear, watermark on boards, small PO label on frontleaf.