000 00391nam a2200157Ia 4500
001 693
008 170722s9999 xx 000 0 und d
100 _aRoberts, A. D.
245 _aIntroduction to reference books. /
250 _a2nd ed.
260 _c1951.
490 _aLibrary association (London), Publication
653 _aBibliography
653 _aReference Books
942 _cGEN
999 _c41805
_d41805