00337nam a2200109Ia 4500008004100000082001200041100001600053245003800069260002700107630001800134650007500152211109s9999||||xx |||||||||||||| ||und||  a31bANO  aNo Author,  0aEncyclopaedia of Britanica Vol.23  bUn KnownaLondonc1977  xGeneral Stack  aEncyclopedias in American EnglishvGeneral encyclopedic worksGeneralia