zeitgemässe betrachtungen Rubner, Max 1854-1932 creator text gw Berlin J. Springer 1930 monographic ger

print

63, [1] p. 21 cm. von Max Rubner ... Food supply Germany TX360.G3 R8 agr30000963 Library, U.S. Dept. of Agriculture 941018 20260227110950.0 agr30000963