00339cam a22001097a 4500008004000000082001300040100002000053245009600073260002600169300001000195650002400205180718b1963   xxu||||| |||| 00| 0 eng d  aT10 L569  aLetwin, William  aThe origins of scientific economics: English economic thought, 1600-1776cby William Letwin  aLondonbMethuenc1963  a316p.  aEconomics - History