00684cam a22002291 4500 agr28001161 DLC 20260227110948.0 950906s1926 gw b 000 0 ger c agr28001161 (OCoLC)33086317 Library, U.S. Dept. of Agriculture WU WU DLC premarc HD1955 .M25 Metzner, Helmut. Die landwirtschaftliche Selbstversorgung Deutschlands / von Helmut Metzner. Berlin, [Germany] : P. Parey, 1926. 150 p. ; 26 cm. "Literatur": p. 146-150. Agriculture Germany. Food supply Germany. 9200 9200