https://archive.mpr.org/stories/1971/10/07/minnesota-orchestra-preintermission-break-from-minnesota-orchestra-broadcast1971-10-07T00:00:00-05:00 https://archive.mpr.org/stories/1971/10/07/minnesota-orchestra-opening-excerpt-of-mprs-first-live-broadcast-of-minnesota-orchestra1971-10-07T00:00:00-05:00 https://archive.mpr.org/stories/1971/09/01/roberto-rossellini-at-university-of-minnesota1971-09-01T00:00:00-05:00 https://archive.mpr.org/stories/1971/05/09/ford-hall-forum-ayn-rand-the-antiindustrial-revolution1971-05-09T00:00:00-05:00 https://archive.mpr.org/stories/1971/04/21/john-kerry-vietnam-veterans-against-the-war-statement1971-04-21T00:00:00-06:00 https://archive.mpr.org/stories/1971/04/04/forum-benjamin-spock-speech-at-augsburg-college1971-04-04T00:00:00-06:00 https://archive.mpr.org/stories/1971/04/01/arthur-hoehn-highlight-cd-1971-excerpt1971-04-01T00:00:00-06:00