Herbert D. Pappas Nurseries "Gladiolus Trial Gardens" - Herbert D. Pappas Nurseries.; Pappas, Herbert D.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Claremont, New Hampshire, Herbert D. Pappas Nurseries, [1938?], 1938)
https://www.biodiversitylibrary.org/bibliography/170659
Keywords: Claremont|Evaluation|Gladiolus|New Hampshire|Nurseries (Horticulture)|Varieties|