Des Moines Iowa Peace Institute, December 8 Introduction to the Goals and Activities of the Iowa Peace Institute, copy 2, Undated
Introduction to the Goals and Activities of the Iowa Peace Institute, copy 4, Undated
Iowa Peace Institute, August 18, 1988
Dedication of the "Peace Pole" at the Iowa Peace Institute, Undated
Seeds of Peace: An Iowa Export, Iowa Peace Institute, Undated
James Norman Hall Museum, Opening Videos News Release, Dennis Powers Productions, Inc., copy 1, March 2002
James Norman Hall Museum, Opening Videos News Release, Dennis Powers Productions, Inc., copy 2, March 2002
Flood of '93 - KCCI-TV
The Double Life of RNA by Thomas R. Cech, Ph.D. Set of four VHS tapes. Lecture 1: Catalysis, Chemical and Biochemical
The Double Life of RNA by Thomas R. Cech, Ph.D. Set of four VHS tapes. Lecture 2: RNA as am Enzyme: Discovery, Origins of Life, and Medical Possibilities
The Double Life of RNA by Thomas R. Cech, Ph.D. Set of four VHS tapes. Lecture 3: How to Accelerate a Reaction 100,000,000,000 Times Using Only RNA.
The Double Life of RNA by Thomas R. Cech, Ph.D. Set of four VHS tapes. Lecture 4: Life at the End of Chromosome: Another RNA Machine.
College Basketball (D-III): Beloit College @ Grinnell College, February 3, 2005 -"Grinnell Stories": A Documentary History of a Pioneering Midwestern College on the Occasion of the 150th Anniversary