003230a00a22001330004500245007300000100002100073260002100094260000900115300001300124306000900137306001400146760001100160015001800171  aThe Causation of Sex A New Theory of sex based on clinical materials  aDawson, E Rumley  bLondon:H K Lewis  c1909  a1-190pgs  aSex   a Old book  bH Room  aList No. 1633