00590cam a22002171 4500 af 47002675 DLC 20260227110815.0 890602s1943 ne a 000 0 dut af 47002675 (OCoLC)23425070 DLC MiU DLC premarc QH366 .U56 Umbgrove, Johannes Herman Frederik, 1899-1954. Leven en materie, 's-Gravenhage, M. Nijhoff, 1943. viii, 132 p. illus., fold. pl., diagrs. 25 cm. Evolution Life (Biology) 1831 1831