Comprehensive encyclopedia meeting the reference needs for pre-K through high school students with three separate levels: Elementary, Middle, and High School.
Over 200,000 entries from the Columbia Encyclopedia and Oxford University Press.
MLA Image citation: "Ad for Encyclopedia Britannica, 11th edition, 1911, published May 1913 in National Geographic." Wikimedia Commons. 12 January 2005. https://commons.wikimedia.org/wiki/File:Ad_Encyclopaedia-Britannica_05-1913.jpg
