Main reports XVIIIth International congress of agriculture, Dresden, June 6-12, 1939. - Berlin, Reichsnährstand verlagsges. m.b.h., [1939] - 9 v. in portfolio. illus., diagrs. LCCN: agr40000423 Subjects--Topical Terms: Agriculture--Congresses. LC Class. No.: S401 / .C64 1939c