Cooperative Digital Resources Initiative is a free database from ATLA that provides access to digital images of woodcuts, photographs, slides, papyri, coins, maps, postcards, manuscripts, lithographs, sermons, shape-note tune books, and various forms of Christian art, architecture, and iconography. CDRI is a historical repository of collections from various institutions and is not updated.
Chase’s Calendar of Events Electronic Resource
Hutchinson Chronology of World History Electronic Resource
Holidays, Festivals, and Celebrations of the World Dictionary Electronic Resource