TY  - BOOK
AU  - Sievers,A.F.
TI  - Production of drug and condiment plants
T2  - Farmers' bulletin
AV  - S21 .A6 no. 1999
U1  - 633.8 
PY  - 1949///]
CY  - [Washington
PB  - U.S. Govt. Print Off.
KW  - Herbs
N1  - Contribution from Bureau of Plant Industry, Soils, and Agriculture Engineering; Supersedes Farmers' bulletin no. 663, Drug plants under cultivation, by W. W. Stockberger
ER  -