Letters from a self-made merchant to his son : being the letters written by John Graham, head of the house of Graham & Company, pork-packers in Chicago, familiarly known on 'change as "Old Gorgon Graham", to his son, Pierrepont, facetiously known to his intimates as "Piggy".

Mode of access: Internet.

The remarkable history of the Hudson's Bay company, including that of the French traders of north-western Canada and of the North-west, XY, and Astor fur companies,

Mode of access: Internet.

Small concrete bridges and culverts /

Mode of access: Internet.

In strange company; a story of Chili and the southern seas.

Mode of access: Internet.