Install unity-scope-gallica by entering the following commands in the terminal:
sudo apt update sudo apt install unity-scope-gallica
Description:
gallica scope for Unity
This package contains the "gallica" scope which allows Unity to search for gallica content.
Homepage: https://launchpad.net/unity-scope-gallica
Version: 0.1+13.10.20130816.2-0ubuntu1
Section: universe/gnome