Effect of Concentration and Temperature on Germicidal Efficiency of Sodium Hydroxide. Max Levine, J.H. Buchanan, and Grace Lease pages 379-394

The Nitrogen Metabolism of Nitrogen-Fixing Bacteria. W.V. Halversen pages 395-410

The Production of a Yeast Growth Stimulant by Heating Media Under Pressure. Ellis I. Fulmer and Bernice Huesselmann pages 411-418

The Isomeric Form of Lactic Acid Produced by Lactobacillus Acidophilus. L.S. Hyde and B.W. Hammer pages 419-428