00423nam a2200157Ia 450000500170000000800460001703700120006304000210007504100130009608400190010910000210012824500420014926000500019130000090024165000150025020250508150428.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDL bengcFEDL  aeng2eng  a121, RUSqFEDL  aRussell Bertrand 0aHuman knowledge: Its scope and limits  aLondon, UKbGeorge Allen and Unwin Ltd.c1948  a538p  aPhilosophy