Encyclopedias, Almanacs, Transcripts, and Maps
- International Cooperation Council
- International Council for Science
- International Council of Scientific Unions World Data Center
- International Ethical Guidelines for Biomedical Research involving Human Subjects
- International Flat Earth Society
- International Fortean Organization (INFO)
- International Frankenstein Society (IFS)
- International Ghost Registry
- International Group of Theosophists
- International Guiding Principles for Biomedical Research Involving Animals
- International Health
- International Institute for Psychic Investigation
- International Institute for the Study of Death
- International Institute of Projectiology and Conscientiology
- International Journal of Parapsychology
- International Kirlian Research Association
- International Nature of Particle Physics
- International Organization of Awareness
- International Parascience Institute
- International Plant Consciousness Research Newsletter