Scott's seed guide for 1930 - O.M. Scott & Sons.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Marysville, Ohio, O.M. Scott & Sons Co, 1930, 1930)
https://www.biodiversitylibrary.org/bibliography/148989
Keywords: Breeding|Catalogs|Field crops|Handbooks; manuals; etc|Marysville|Nursery stock|Ohio|Seed industry and trade|Seeds|Utilization|Vegetables|