000 00287nam a2200121Ia 4500
008 220201s1956 xx 000 0 eng d
082 _bHAY
100 _aHayden, I. M.
245 0 _aMastering American English
260 _aNew York
_bPrentice Hall
_c1956
300 _a260
942 _2ddc
999 _c16111
_d16111