Multilingual online reference resource. This online expanded encylopedia covers nearly any topic and is written through contributions from volunteers around the world. ... [Read more]
Official site of the Encyclopedia Britannica which is perhaps the world's best-known books of reference. Register to get complete access to short encyclopedia entries and definitions. ... [Read more]
Based on the 11th edition of the Encyclopedia Britannica The 1911 version is a classis made up of 29 volumes with articles written by over 1500 authors. Offering an insight into a historical time. ... [Read more]










