French online encyclopedias

Microsoft Encarta was a digital multimedia encyclopedia and search engine published by Microsoft from 1993 to 2009. Originally sold on CD-ROM or DVD, it was also available online via annual subscription, although later articles could also be viewed for free online with advertisements. By 2008, the complete English version, Encarta Premium, consisted of more than 62,000 articles, numerous photos and illustrations, music clips, videos, interactive content, timelines, maps, atlases and homework tools.

astronomical database

French-language general encyclopedia published by Encyclopædia Britannica

book by Albert Ducrocq

Internet encyclopedia

encyclopedia