 The "Map of British North America" also heavily dependent upon information from the Hudson's Bay Company, was sold under its own cover, but it's unclear if the others were sold prior to publication of the 1834 atlas.The 40 maps include the following (not a complete list; these maps were found in the David Rumsey map collection as included in Arrowsmith's 1838 Atlas.The Rumsey collection has digitized the maps in the 1838 and 1844 edition of the Atlas.