1924 the world's most select dahlias - Alling, C. Louis.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (West Haven, Conn, C. Louis Alling, 1924, 1924)
https://www.biodiversitylibrary.org/bibliography/130110
Keywords: Bulbs (Plants)|Catalogs|Connecticut|Flowers|Nursery stock|Seeds|West Haven|