00622cam a22002051 4500 agr63000307 DLC 20260227111022.0 840201s1963 dcu f000 0 eng agr63000307 //r892 DLC/ICU ICU DLC Z695.1.A4 U4 National Agricultural Library (U.S.) Subject heading list. Prelim. ed. Washington [For sale by the Superintendent of Documents, U.S. Govt. Print. Off.] 1963. 4 v. (viii, 2434 p.) 28 cm. Cover title. Subject headings Agriculture. 11890 11890