000 00282 am a2200121 a 4500
100 1 _aOlson, Henry W.
245 1 _aEarthworms of Ohio
260 _aColumbus
_c1928
300 _a47-90 p.
942 _2udc
_cB
440 _aOhio Biological Survey. Bulletin No. 17
901 _aS47804
999 _c103740
_d103740