003020000a22001210004500060000800000082001700008100002500025245002800050260005100078260000900129300001100138650003100149  a100  a589.2223 CHR  aChristensen, Clyde M  aCommon edible mushrooms  aMinneapolis, The University of Minnesota Press  c1943  aX ,124  aMushrooms Edible mushrooms