Scope and Contents From the Collection: Collection includes radio program guides, weekly email updates, listener campaign materials, and annual reports from KOSU 91.7 FM radio station. The collection has KOSU 91.7 FM radio program guides from the radio station’s start in December, 1971 until the present. The name of the guide changed to Oklahoma’s Public Radio with the Oct/Nov/Dec 1998 issue. The missing guides include: June to November, 1980; January, February, April & September, 1981; and July/Aug/Sept 1996-July/Aug/Sept 1988.