000 00301cam a22001097a 4500
008 180718b1920 xxu||||| |||| 00| 0 eng d
082 _aT1 Ox2
245 _aOxford tracts on economic subjects 1920
260 _aLondon
_bH. Milford, Oxford university press
_c1920
300 _av.p.
650 _aEconomics
999 _c431412
_d431412