Fixed nitrogen: edited by Harry A. Curtis. Contributors: F. E. Allison, Harry A. Curtis, J. R. Dilley, W. L. Edwards, P. H. Emmett, E. W. Guernsey, P. E. Howard, H. J. Krase, N. W. Krase, C. H. Kunsman, Albert R. Merz, William H. Ross, Richard Wiebe. American Chemical Society Monograph Series. 517 pages, tables, illustrations. 15.5 × 23.5 cms. New York, The Chemical Catalog Company, Inc., 1932. Price $12.00