00568nam a2200169Ia 4500003000900000008004100009040001600050080001500066100002400081245011900105260004600224300001400270650004100284650003200325650001800357700002300375IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a520.1bJON  aJones, Bessie Zaban 4aThe Harvard college observatorybthe first four directorships, 1839-1919cBessie Zaban Jones and Lyle Giffond Boyd  aCambridgebHarvard University Pressc1971  axi, 495p.  aAstronomy and astrophysics thesaurus  aHarvard college observatory  aObservatories  aByod, Lyle Gifford