Principles of Political Economy / Abridged with Critical, Bibliographical, and Explanatory Notes, and a Sketch of the History of Political Economy

by John Stuart Mill

Sound: A Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound, for the Use of Students of every Age. By Alfred M. Mayer. 12mo. 178 pages.

D. APPLETON & CO., Publishers,

NEW YORK, BOSTON, CHICAGO, SAN FRANCISCO.

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Charts.

Chart XII. Fluctuations in the Price of Gold, from January 1st 1862, to December, 1865.

Chart XVIII. Graphical Presentation of the Comparative Areas of the States and Territories of the United States and the Countries of Europe, omitting Russia and Alaska.