 Food Additives | Dec. 26, 1969 |
| Electric Power Problems | Dec. 17, 1969 |
| Jobs for the Future | Dec. 10, 1969 |
| Kremlin Succession | Dec. 3, 1969 |
| Racial Discrimination in Craft Unions | Nov. 26, 1969 |
| Challenges for The 1970s | Nov. 19, 1969 |
| Alaskan Oil Boom | Nov. 12, 1969 |
| American History: Reappraisal and Revision | Nov. 5, 1969 |
| West Indies: Power Vacuum | Oct. 24, 1969 |
| Science and Society | Oct. 15, 1969 |
| Wall Street: 40 Years After the Crash | Oct. 8, 1969 |
| Mission to Mars: Benefits Vs. Costs | Oct. 1, 1969 |
| Amazon Basin Development | Sep. 27, 1969 |
| Future of U.S. Defense Economy | Sep. 24, 1969 |
| Jumbo Jets: New Travel Era | Sep. 10, 1969 |
| Benelux Cooperation | Sep. 3, 1969 |
| Discipline in Public Schools | Aug. 27, 1969 |
| Human Intelligence | Aug. 20, 1969 |
| Economic Controls | Aug. 13, 1969 |
| Communal Living | Aug. 6, 1969 |
| International Development Financing | Jul. 30, 1969 |
| Competing Media | Jul. 18, 1969 |
| Private Housing Squeeze | Jul. 9, 1969 |
| Resolution of Conflicts | Jul. 2, 1969 |
| Okinawa Question | Jun. 25, 1969 |
| Chemical–Biological Weaponry | Jun. 18, 1969 |
| Eastern Religions and Western Man | Jun. 11, 1969 |
| Movies as Art | Jun. 4, 1969 |
| World Communist Summit | May 28, 1969 |
| Advertising in a Consumer Society | May 21, 1969 |
| Summer Camps and Student Travel | May 14, 1969 |
| Coeducation: New Growth | May 7, 1969 |
| Arab Guerrillas | Apr. 25, 1969 |
| Nationalist Movements in Western Europe | Apr. 16, 1969 |
| Prospects for Arms Control | Apr. 9, 1969 |
| Economic Nationalism in Latin America | Apr. 2, 1969 |
| Tax Reform Pressures | Mar. 26, 1969 |
| Earthquakes: Causes and Consequences | Mar. 19, 1969 |
| Waste Disposal: Coming Crisis | Mar. 12, 1969 |
| Voluntary Action: People and Programs | Mar. 5, 1969 |
| Money Supply in Inflation | Feb. 26, 1969 |
| Future of Psychiatry | Feb. 19, 1969 |
| Regional Theater | Feb. 12, 1969 |
| Federal Regulatory Agencies: Fourth Branch of Government | Feb. 5, 1969 |
| West German Prosperity | Jan. 29, 1969 |
| Street Crime in America | Jan. 22, 1969 |
| Musical America | Jan. 15, 1969 |
| Federal Budget Making | Jan. 8, 1969 |
