Parrella's 1948 dahlia catalogue - Parrella Dahlia Gardens.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bronx [New York], New York, Albert Parrella Dahlia Gardens, 1948, 1948)
https://www.biodiversitylibrary.org/bibliography/187520
Keywords: Bronx County|Catalogs|Dahlias|New York (State)|New York County|Nursery stock|Varieties|