Add support for bibliographic citations to Cited By

Phil Gons (Logos)

The Cited By tool supports data type references (e.g., Bible references, Apostolic Fathers, Calvin's Institutes). Please add support for bibliographic citations, too, so we can find all the references to a particular resource, work, or location within either.

See also https://feedback.faithlife.com/boards/logos-desktop-app/posts/1027.