To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseDeveloper reply by firehelper
Rated 3 out of 5 stars
its o.k. but, when I click on one of the names listed at the top "britannica" or the numbers on the bottom it just loads the butterfly logo.
When you get nothing, that means that there is nor result for this query in Britannica.
Try again with other query and you will see. it works
To create your own collections, you must have a Mozilla Add-ons account.