Carlsbad : clinical studies on the modes of action, indications for the use and curative value of its mineral springs ... /

"Eisner-Mendelson Company, New York ... sole agents for the Carlsbad Springs and Products" -- inside back cover.

The mine; or, Sketches of the mines of different countries, the modes of working them, and their various productions.

Mode of access: Internet.

The happiness of states: or, An inquiry concerning population, the modes of subsisting and employing it, and the effects of all on human happiness.

Mode of access: Internet.