00452nam a2200157Ia 4500003000900000008004100009040001600050080001200066100002000078245006900098260003400167300001000201650003200211650001900243650003200262IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a92bSID  aSidgwick, J. B. 0aWilliam herschellbexplorer of the heavenscJohn Benson Sidgwick  aLondonbFaber and Faberc1953  a228p.  aBiography-William Herschell  aNASA Thesaurus  aWilliam Herschell Biography