00928cam a22002651 4500 agr47000159 DLC 20260227111006.0 740517s1947 okucf 000 0 eng c agr47000159 (OCoLC)890076 U.S. Dept. of Agr. Libr. ONcM OCoLC DLC premarc S21.C9 H3 630.72 Harding, T. Swann (Thomas Swann), 1890. Two blades of grass, a history of scientific development in the U.S. Department of agriculture, by T. Swann Harding. Norman, University of Oklahoma Press, 1947. xv, 352 p. plates, ports. 22 cm. "First edition." Agriculture Research. United States. Department of Agriculture. Scientists United States. Scientific development in the U.S. Department of Agriculture. 10629 10629