Spring-flowering bulbs
By: [prepared by Crops Research Division, Agricultural Research Service]
Series: Leaflet / United States Department of Agriculture -- no. 439; Leaflet (United States. Dept. of Agriculture) -- no. 439.
Publisher: U.S. Department of Agriculture
Published: 1958
Place of publication: Washington, D.C
Language: eng
Subjects: Bulbs (Plants)
Notes: Cover title.

"Issued November 1958."