|
| |
|
| 1. Encyclopaedia Britannica
|
| Site of Encyclopaedia Britannica (UK) Ltd, a subsidiary of Encyclopaedia Britannica Inc. Founded in 1768, the Encyclopaedia Britannica is a worldwide leader in reference. Subscribe online and access wide content, informative newsletters and the online shop |
| http://info.britannica.co.uk/ |
| 2. Probert Encyclopaedia
|
| Free online encyclopaedia containing over 300,000 references and and over 15,000 illustrations and photos. Browse A-Z guide of subjects. Find free data for webmasters, frequently asked questions, a weekly quiz and contact details. |
| http://www.probert-encyclopaedia.co.uk/ |
|
| |
|
|
|
|