00293nam a2200121Ia 4500082002000000100002300020245004400043260002200087300001000109500004200119500000500161700000500166  a025.42bR196.PL  aRanganathan, S. R.  aProlegomena to library classificationb  aLondonbALAc1957  a487p.  a"Lib. also has:- 3rd ed. 1967, 640p."  a  a