Institution
- Helipot Corporation2
- Helsingin yliopisto2
- Hercules Incorporated2
- Herner and Company2
- Hillcrest Press, Inc. 2
- Hughes Aircraft Company2
- Humble Oil and Refining Company (Incorporated in Tex.)2
- Imperial College, London2
- Independent Consultant2
- Indiana University2
- Institute for Scientific Information2
- International Atomic Energy Agency (IAEA)2
- International Business Machines Corporation2
- International Union of Pure and Applied Chemistry (IUPAC)2
- Juniata College (Huntingdon, Pa.)2
- Kaiser Wilhelm-Gesellschaft zur Förderung der Wissenschaften2
- Kalamazoo College2
- Kyōto Daigaku2
- Los Alamos National Laboratory2
- Louisiana State University (Baton Rouge, La.)2