GALE EBOOKS online encyclopedias contain 145 different historical encyclopedias as well as hundreds of other encyclopedias across disciplines such as medicine, multicultural studies, science, and the social sciences.
"Biography and Genealogy Master Index (BGMI) provides more than 20 million biographical citations on more than 6 millions persons, living and deceased, from all fields of activity, covering more than 2,000 years of human history." - GALE Directory Library