000 00440nam a22001457a 4500
008 160511b xsy||||| |||| 00| 0 eng d
082 _a504.
110 1 _awar department education
_959161
245 1 2 _aamerican of rural society\
260 _awashington:
_bwar department education,
_c1944.
300 _a632p;
_c24cm.
650 _anatural sciences & mathematics.
_940752
710 _awar department education
_959162
942 _2ddc
_cBK
999 _c314234
_d314234