"Bureau of Applied Social Research, Columbia Univ." . . "National Association of Broadcasters (Washington, D.C.)" . . "National Association of Broadcasters, Washington, D.C." . "Luisteronderzoek." . . . . . . . . . . . "The people look at radio report on a survey conducted by the National Opinion Research Center, University of Denver"@en . . . . . . . . . . "The people look at radio" . "The people look at radio"@en . . . "The people look at radio Report on a survey conducted by the National Opinion Research Center, Univ. of Denver" . . . . . . . . . "The people look at radio report on a survey" . . . . . . "The people look at radio : report on a survey conducted by the National Opinion Research Center, University of Denver" . . "The People Look at Radio"@en . . "The people look at radio ; report on a survey conducted"@en . "The peoople look at radio, report on a survey conducted by the National Opinion Research Center, Univ. of Denver"@en . "Report on a survey conducted by the National Opinion Research Center, University of Denver, Harry Field, director; analyzed and interpreted by the Bureau of Applied Social Research, Columbia University, Paul F. Lazarsfeld, director." . "Report on a survey conducted by the National Opinion Research Center, University of Denver, Harry Field, director; analyzed and interpreted by the Bureau of Applied Social Research, Columbia University, Paul F. Lazarsfeld, director."@en . . . . . . . . . . . . . . . . . . "The People look at radio" . "The people look at radio : report on a survey" . . . . . . "The People look at radio : report on a survey conducted by the National Opinion Research Center University of Denver" . . . . . "The people look at radio : report on a survey conducted by the National opinion research center, University of Denver, Harry Field, director" . "The people look at radio : report on a survey conducted by the National opinion research center, University of Denver, Harry Field, director"@en . . . . . "USA." . . "Radiofonia Stany Zjednoczone." . . "Sozialer Wandel." . . "Denver, University of. National Opinion Research Center." . . "Bureau of Applied Social Research. <New York, NY>." . . "Rundfunk." . . "Demoskopie." . . "National Opinion Research Center, Univ. of Denver." . . "Hörfunk." . . "Radio." . . "National Association of Broadcasters." . . "National Opinion Research Center. <Denver, Colo.>." . . "Radio États-Unis." . . "Communication audiovisuelle Opinion publique américaine." . . . .