Volume 12, Bulletins 146-156. (146) Studies on the Development of Butter Cultures from Mixtures of Organisms; (147) Methods for Determining Carbon Dioxide Production in Soils; (148) Some Chemical and Bacteriological Effects of Various Kinds and...
Volume 18, Bulletins 202-209. (202) Inbreeding in the White Leghorn Fowl; (203) Chemical Analyses of Iowa Soils for Phosphorus, Nitrogen and Carbon: a Statistical Study; (204) Genetic Aspects of the Danish System of Progeny--Testing Swine; (205)...
Volume 25, Bulletins 281-303. (281) Analysis of Lattice and Triple Lattice Experiments in Corn Varietal Tests: I. Construction and Numerical Analysis, II. Mathematical Theory; (282) Performance of Electric Roasters; (283) Bacteriology of Cheese:...
Volume 28, Bulletins 346-362. (346) Test of the Performance of Portable Electric Mixers for Household Use; (347) Punched Card and Calculating Machine Methods for Analyzing Lattice Experiments Including Lattice Squares and the Cubic Lattice; (348)...