000 00322nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aYoung, E.C.
245 _aMovement of farm population
260 _aIthaca
_c1924
300 _a1-91 p.
440 _aCornell Agricultural Experime
901 _a19201
942 _cB
_2udc
999 _c2654
_d2654