- ColecciónArchives/RG-F - RG-F: Faculty and Staff
- Serie8 - Faculty Members' Office Files
- Subserie8.9 - Al Jones Office Files
- 12 - Sin título
- Unidad documental simple1 - The Agricultural Emergency in Iowa, I. The Situation Today by A. G. Black
- Unidad documental simple2 - The Agricultural Emergency in Iowa, IV. Iowa Farm Mortgage Situation by William G. Murray and Ronald C. Bentley
- Unidad documental simple3 - The Agricultural Emergency in Iowa, V. Control of the General Price Level by Geoffrey Shepherd and Wallace Wright
- Unidad documental simple4 - The Agricultural Emergency in Iowa, VI. The Iowa Tax Situation--An Analysis for Farmers by John A. Hopkins, Jr.
- Unidad documental simple5 - The Agricultural Emergency in Iowa, VII. Monetary Inflation by Geoffrey Shepherd and Wallace Wright
- 15 más...