00330cam a22000977a 4500008004000000082001500040245007000055260005000125300001600175700004100191180718b1960   xxu||||| |||| 00| 0 eng d  aR2x42 1960  aClassification of occupationscby Her Majesty's Stationery Office  aLondonbHer Majesty's Stationery Officec1960  axxxiv, 136p  aU.K. Her Majesty's Stationery Office