Ghost Research Society Dale Kaczmarek's research organization. America's original ghost studies organization.
The Ghost Club A prestigious and historic social and investigative society established in 1862 (predating the SPR) that still actively conducts investigations in the UK. Past members include Charles Dickens, Sir Arthur Conan Doyle, Harry Price and Peter Underwood.
ASSAP: Association for the Scientific Study of Anomalous Phenomena A well-established British scientific organization that, in my opinion, is the world leader in state-of-the-art ghost & poltergeist investigations.
FATE Magazine The world's oldest (1948 and still trekkin') paranormal magazine. Regularly covers ghostly material.
Society for Psychical Research The SPR is the "original" scientific paranormal research organization, based in London.
The Parapsychology Foundation Worth your support.
Rhine Research Center Evolved from the old Duke University Parapsychology Lab.
Psychical Research Foundation One of the classic American research organizations, closely associated with the late great Dr. William Roll. Specializing in poltergeist, PK and survival research.
John Keel Official Website A site presenting the letters and archives of the late, great Fortean investigator and author John Keel (The Mothman Prophecies, Operation Trojan Horse). A fascinating view into the mind of this controversial icon of the paranormal.
Europaranormal An excellent site from Alan Murdie (of the Society for Psychical Research and The Ghost Club), exploring the paranormal from "different scientific and cultural perspectives." Includes overviews of historic cases, theoretical analysis, and pop culture reviews.