The maps are duplicates.
"This volume embodies the substance of various articles which appeared in the London 'Month' and the 'Canadian Messenger'. To these some new matter has been added, and the whole has been recast."--Pref.
Microfilm. New Haven, Conn., Research Publications, 1975. 1 reel. 35 mm. (Western Americana, Reel 150, no. 1615)