. . . "1972". . . . . "1975". . "National Book Award for Contemporary Affairs"@en. . . . . "Source: Freebase - The World's database". . _:ubWGQJfM152. . . . . . . . . . "1973". . . . . "1974". . . . . "1976". . _:ubWGQJfM152 "national_book_award_for_contemporary_affairs". _:ubWGQJfM152 .