A Mennonite conscientious objector in a National Institute of Health experiment
Members of the Denver I-W Unit baseball team
Mixed choir of the First Mennonite Church in Denver
A young man serving as a CO mops the floor in a hospital
Members of the I-W Unit in Colorado sit on rocks
University of Colorado Medical Center where over 200 Mennonite CO's worked
First Mennonite Church in Denver, Colorado
Publicity about Mennonite young men who volunteered as guinea pigs in an experiment with atomic radiated foods
The Rescue Mission in Denver (Colorado)
Rev. Paul Holdeman, director of the I-W Unit in Denver
