Query:Fact ~ Duplicate Sources for Fact
This looks at the first seven Sources for a given Fact, but only includes a Fact in the Result Set if two of the Sources are the same.
The Result Set can then be used to examine, and if necessary remove the duplicated Source citation.
Click on the link below to download and save FHQ file, then double click it to import to Family Historian Version 4 or later.
It will Import into earlier versions, but does not work, and can only be deleted using View > Custom Queries > Delete Custom Query.