002880a00a22001210004500245004700000100001800047260003500065260000900100306001500109306001800124760001100142015001300153  aPublic Health in Relation to Air and Water  aW.T. Gairdner  bEdinburgh:Edmonton and Douglas  c1862  aOld book,   aPublic Health  bH Room  aNo. 1049