Main contributor
- Glass Container Manufacturers Institute1
- Glass Container Manufacturers Institute 1
- Hood Ice Cream3
- Illinois Department of Public Health1
- Indiana U Instructional Support Services1
- John Hancock Mutual Life Insurance Company1
- Knudsen5
- Lawson's1
- Maple Lane1
- National Clearinghouse for Drug Abuse Information1
- New York City Department of Health1
- Olympia Brewing Company1
- Opportunities Industrialization Center1
- Richard Leslie Gair (1892-1970)1
- Safety Belt Task Force1
- Sealtest4
- Shell1
- Sinclair Oil1
- The Wilderness Society1
- U.S. Department of the Interior1