00385cam a22001217a 4500008004000000082001300040100001700053245008600070260004700156300001400203650002400217700002200241180718b1951   xxu||||| |||| 00| 0 eng d  aP61 B145  aBaer, Max F.  aOccupational information: its nature and usecby Max F. Baer and Edward C. Roeber  aChicagobScience Research Associatesc1951  axi, 603p.  aVocational guidance  aRoeber, Edward C.