A Documentary History of American Industrial Society. Edited by John R. Commons, Ulrich B. Phillips, Eugene A. Gilmore, Helen L. Sumner, and John B. Andrews. Prepared under the auspices of the American Bureau of Industrial Research, with the co-operation of the Carnegie Institution of Washington. With preface by Richard T. Ely and introduction by John B. Clark. Volumes V. and VI. Labor Movement, 1820–1840. (Cleveland, Ohio: The Arthur H. Clark Company. 1910. Pp. 392 ; 353.)