1. Studies in the relation of the non-available water of the soil to the hygroscopic coefficient;Alway;Nebraska Agr. Exp. Sta. Res. Bull.,1913
2. Relation of the minimum moisture-content of subsoil of prairies to hygroscopic coefficient;Alway;Bot. Gaz.,1919
3. Use of moisture-equivalent for the indirect determination of the hygroscopic coefficient;Alway;J. Agric. Res.,1916
4. The heat of wetting of soil-collolds;Anderson;J. Agric. Res.,1924
5. U. S. Dep. Agric. Bull.;Anderson,1926