Bulletin: Issue 50

Sour Soils and Liming

Pennsylvania Limestone and Lime Supplies

Simple Methods of Determining Milk Fat

Soiling Crops

The Production of Cigar-leaf Tobacco in Pennsylvania

36th Annual Report of the Director: For the Fiscal Year Ending June 30, 1923, Volumes 173-196

Potato Culls as a Source of Industrial Alcohol: With a General Discussion of the Availability of Other Wastes