Global Sighting Information Database (GSID)
Be sure and visit the NICAP Home Page
http://www.timeanddate.com/   (Researchers Time Converter)

NICAP Sighting Information DataBase Catalog of Project Blue Book Unknowns - Sparks - CUFOS (pdf)
MUFON Case Management System
Bluelist (Original) Unknowns (585 of 701)
NUFORC Online DBase - Davenport Blue Book Unknowns - Berliner
*U* UFO Database - Hatch On This Day (UFO Density Maps) - Donald Johnson
Sighting Categories (1-11) Project Blue Book Archive - Rebecca Wise
The UFO Chronology Blue Book Sighting Listings by Month - Ridge
Aviation Reports - NARCAP Potentential Nuclear Connection Cases - Hatch
Sighting Waves - Ridge Nuclear Connection Cases - NCP
Underwater UFOs - Feindt
truth-or-consequences.com/ufo_reports/water_ufo_reports.html
Defense and Intelligence Abbreviations and Acronyms (253 pages, 1997)
Satellite Objects & Cloud. Cigars - Taylor Department of Defense
Chop Clearance List (with links) Federal Bureau of Investigation
Magonia Database - Jacques Vallee Central Intelligence Agency
CNES/GEIPAN French Files or French version French
Blue Book UFO Reports at Sea by Ships, A.F. Rullan NewspaperARCHIVE.com
Eighty Years of Pilots Sightings - NARCAP/Weinstein Catalog Canadian X-UFO Files: Index A
Canadian X-UFO Files Index B