W1964 New York World's FairWEnzmann starshipWKardashev scaleWJune 1964 lunar eclipseWDecember 1964 lunar eclipseWNth Country ExperimentWSmoking and Health: Report of the Advisory Committee to the Surgeon General of the United StatesWSolar eclipse of December 4, 1964WSolar eclipse of January 14, 1964WSolar eclipse of July 9, 1964WSolar eclipse of June 10, 1964WWallace tree
W
W
W
W
W
W
W
W
W
W
W
W