Pennington authored and co-authored numerous bulletins and reports for the U.S. Department of Agriculture, detailing her research findings on poultry preservation, refrigeration technologies, and other aspects of food safety. These publications served as important guides for industry and government.

As a private consultant, Pennington published articles in various trade journals related to the food industry and refrigeration, disseminating her knowledge and promoting best practices for food handling and preservation. Precise titles and dates would require further in-depth archival research.