00262nam a2200097Ia 4500080001800000100002900018245003900047260004000086300001900126583001900145  a09.05.08 T782  aTravis, William Penfield  aThe theory of trade and protection  bHarvard Univ. P.aCambridgeUSc1964  ax, [3], 296 p.  c11/19/04kJOYD