Britannica Websites
britannica.com
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
No data 
$ 8.95
eb.com
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
52,017 $ 258,480.00
britannica.co.jp
「ブリタニカ国際大百科事典」をベースにした各種デジタル商品、オンラインサービス、ブリタニカ国際年鑑、総合学習、英語教育の紹介。
1,992,310 $ 480.00