Ilgenfritz Monroe Nursery : No. 96 - I.E. Ilgenfritz' Sons Company.; Monroe Nursery.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monroe, Michigan, I.E. Ilgenfritz Sons & Co, [1942?], 1942)
https://www.biodiversitylibrary.org/bibliography/177441
Keywords: Bulbs (Plants)|Michigan|Monroe|Nursery stock|Plants; Ornamental|Prices|Seedlings|Trees|