2. German Wage Theories. A History of their Development. By James W. Crook, Ph. D. Price, $1.00.

3. The Centralization of Administration in New York State. By John Archibald Fairlie, Ph. D. Price, $1.00.

VOLUME X, 1898-99. 500 pp.

Price, $3.00; bound, $3.50.

1. Sympathetic Strikes and Sympathetic Lockouts. By Fred S. Hall, Ph.D. Price, $1.00.

2. Rhode Island and the Formation of the Union. By Frank Greene Bates, Ph.D. Price, $1.50.

3. Centralized Administration of Liquor Laws in the American Commonwealths. By Clement Moore Lacey Sites, Ph.D. Price, $1.00.

VOLUME XI, 1899. 495 pp.

Price, $3.50; bound, $4.00.

The Growth of Cities. By Adna Ferrin Weber, Ph.D. Price, $3.50; bound, $4.00.