California Cactus Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Cactus Nursery, 1936)

Price list for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albert Krejci, 1937)

This price list cancels previous quotations - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hummel's Exotic Gardens, 1958)

Winter 1934-35 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albert Krejci, 1934)