English field systems /

Bibliographic Details
Main Author: Gray, Howard Levi
Format: Book
Language:English
Published: Cambridge : Harvard university press; [etc., etc.], 1915.
Series:Harvard historical studies ; v. 22.
Subjects:
Description
Physical Description:ix, 1 unnumbered page, 568 pages : XVII maps (including frontispiece, illustrations) ; 23 cm.