XI. Seminary Libraries and University Extension. By H. B. Adams. 25 cents.

*XII. European Schools of History and Politics. By A. D. White.

SIXTH SERIES.—1888.—$4.00.

The History of Co-operation in the United States.

SEVENTH SERIES.—1889.
(Volume sold only with complete set.)

I. Arnold Toynbee. By F. C. Montague. 50 cents.

II-III. Municipal Government in San Francisco. By Bernard Moses. 50 cents.

IV. Municipal History of New Orleans. By Wm. W. Howe. 25 cents.

*V-VI. English Culture in Virginia. By William P. Trent.

VII-VIII-IX. The River Towns of Connecticut. By Charles M. Andrews. $1.00.