Public Opinion Research was created in 1976.
Roper Center for Public Opinion Research was created in 1947.
World Association for Public Opinion Research was created in 1947.
American Association for Public Opinion Research was created in 1947.
Opinion Research Corporation was created in 1938.
Public Opinion Quarterly was created in 1937.
Watertown Public Opinion was created on 1887-03-27.
The Russian Public Opinion Herald was created in 2003.
Public Religion Research Institute was created in 2009.
Journal of Public Relations Research was created in 1989.
Institute for Public Policy Research was created in 1988.
Public Health Research Institute was created in 1942.
Afghanistan Public Policy Research Organization was created in 2008.