1. Jambers Toby Harold , “An Economic Analysis of Commercial Catfish Production in Texas,” unpublished M.S. thesis, Texas A&M University, 1972.
2. Garner Carroll R. , “Estimating Investment Requirements, Costs and Returns for Five Sizes of Catfish Farms in Southeastern Arkansas,” unpublished M.S. thesis, University of Arkansas, 1971.
3. Foster Thomas H. , “Cost Size Relationships in the Production of Pond-Raised Catfish for Food,” unpublished Ph.D. dissertation, Mississippi State University, 1971.