Description of a direct route for the Erie Canal, at its eastern termination, with estimates of its expense, and comparative advantages.

Mode of access: Internet.

Correspondence relative to the comparative advantages of the lighthouse laterns adopted by Corporation of the Trinity house and the Commissioners of northern lighthouses. 1867-1868.

Mode of access: Internet.

Comparative advantages between the United States and Canada, for British settlers : considered in a letter, addressed to Captain Allardyce Barclay of Uru /

Bound with his A descriptive and statistical account of Canada. 2nd ed. 1841.

America and the British colonies : an abstract of all the most useful information relative to the United States of America and the British colonies of Canada, the Cape of Good Hope, New South Wales, and Van Diemen's Island : exhibiting at one view the comparative advantages and disadvantages each country offers for emigration : collected from the most valuable and recent publications, to which are added a few notes and observations /

Mode of access: Internet.

Emigration fields. North America, the Cape, Australia, and New Zealand; describing these countries, and giving a comparative view of the advantages they present to British settlers.

Mode of access: Internet.