00657cam a22001931 4500 agr40000423 DLC 20260227110959.0 890818s1939 gw a 000 0 eng agr40000423 (OCoLC)20214017 DLC AAP DLC S401 .C64 1939c Congrès international d'agriculture (18th : 1939 : Dresden, Germany) 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. Agriculture Congresses. 10045 10045