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Articles and illustrations from the Encyclopaedia Britannica, 9th Edition (1875) and 10th Edition (1902). Searchable by keyword and browsable by subject index.
Provides selected articles for free, full text with search capabilities, multimedia and related links for subscribers.
Alphabetical arrangement of information from the late 1800s.
Links to Smithsonian resources and answers to frequently asked questions.
Offers articles from the Columbia Encyclopedia and Britannica Concise Encyclopedia.
Articles explain how hundreds of things work, from elements of the human body to space-age technology.
Online dictionary, Columbia Encyclopedia, and almanac reference.
Offers concise snippets of information across categories such as beverages, games and geography.
Approximately 14,000 entries on topics including art, geography, literature, philosophy, religion. Originally published in 1907.
Offers articles from on the 11th edition Encyclopedia Britannica, and from the Crystal Reference Encyclopedia. All articles are searchable and alphabetized.
User-contributed online encyclopedia intended for people whose first language is not English.
Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D photographs. Requires free temporary registration with option to buy continued access for full articles.
Links to Smithsonian resources and answers to frequently asked questions.
Offers concise snippets of information across categories such as beverages, games and geography.
Alphabetical arrangement of information from the late 1800s.
Articles and illustrations from the Encyclopaedia Britannica, 9th Edition (1875) and 10th Edition (1902). Searchable by keyword and browsable by subject index.
Provides selected articles for free, full text with search capabilities, multimedia and related links for subscribers.
Online dictionary, Columbia Encyclopedia, and almanac reference.
Offers articles from on the 11th edition Encyclopedia Britannica, and from the Crystal Reference Encyclopedia. All articles are searchable and alphabetized.
Offers articles from the Columbia Encyclopedia and Britannica Concise Encyclopedia.
User-contributed online encyclopedia intended for people whose first language is not English.
Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D photographs. Requires free temporary registration with option to buy continued access for full articles.
Approximately 14,000 entries on topics including art, geography, literature, philosophy, religion. Originally published in 1907.
Articles explain how hundreds of things work, from elements of the human body to space-age technology.
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