000 00394 am a2200121 a 4500
100 1 _aWood, H.P.
245 1 _aExperiments in the use of sheep in the eradication of the rocky mountain spotted fever tick
260 _aWashington
_c1913
300 _a1-11 p.
942 _2udc
_cB
440 _aSheep, Experiments Bulletin of the United States Department of Agriculture. No. 45
901 _aS51242
999 _c108774
_d108774