Reference Works
Encyclopædia Britannica
Encyclopædia Britannica is an English-language general reference work first published in Edinburgh between 1768 and 1771 and later based in the United States. Long issued in multivolume print sets, it reorganized its structure with the influential 15th edition (1974) and discontinued print publication in 2012 to focus on digital products and education technology.
Encyclopedia
An encyclopedia is a comprehensive reference work containing information on a wide range of subjects or on numerous aspects of a particular field, typically arranged alphabetically.