000 00297 am a2200121 a 4500
100 1 _aTroutman, J.
245 1 _aLettuce big vein
260 _aArizona
_c1914
300 _a1-2 p.
942 _2udc
_cB
440 _aArizona Cooperative Extension Service. Garden Guides No. Q-173
901 _aS55680
999 _c114113
_d114113