000 002620000a22000850004500
082 _a070.175
_bN17
245 _aNATIONAl GEOGRAPHIC,Jan-Dec1972,JAn-Nov1974,Jan-Dec1975,Mar-Dec1986Apl-Dec1989,1987,1971
260 _aWashington
_bNational Geographic Society
650 _aJournalism
942 _cLM
999 _c3287
_d3287