Cambridge : Harvard University Press ; London : Humphrey Milford, Oxford University Press, 1920
Physical Details
xii, 307 pages : 6 folded maps ; 23 cm
OCLC
ocm01208546
"Lectures ... printed substantially as delivered at Lowell institute last January [1920] with only incidental revision ... The first four chapters were prepared by Mr. Haskins, the last four by Mr. Lord."--Pref.