Weller's herbaceous perennials for rockeries, hardy borders, wallgardens and cutflowers for spring of 1934 - Weller Nurseries Company.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holland, Michigan, Weller Nurseries Co, [1934], 1934)
https://www.biodiversitylibrary.org/bibliography/162182
Keywords: Holland|Michigan|Nursery stock|Perennials|Plants; Ornamental|Prices|