Abstract:
Factographic electronic collection (www.tunguska.tsc.ru) is created of the materials on the Tunguska event investigations. As a base of the collection the documents of the Tomsk state archive are used, as well as the private archives of the members of Complex amateur expedition (CAE), monographs, papers, photos, pictures, unique albums. The materials became widely available for researchers which promote a study of the problem history as a whole, and of mechanisms of formation and self-regulation of social groups over interests using CAE as an example.