How to deal with duplicates between different SE communities?
13649
What to do with cross-site duplicates?
102097
How to find all questions that were duplicates of another question?
77659
Prevent upvotes for duplicates, or carry upvotes to master question
3578
Two kinds of Duplicate closing are too confusing - suggestion for a possible fix
146225
Duplicate questions on other SE sites?
501
Strategies for handling beta community quality evaluations
71646
Duplicates of an outdated question
46533
Duplicates of duplicates should be remapped
111647
How to find questions closed as duplicates via the Data Explorer
70074
How to handle a deliberate duplicate question
157285
Stop the segregation madness. Merge all Stack Exchange sites and differentiate them by tags
17248
Multiple reference lists using biblatex: how to remove duplicated entries?
98885
Avoiding duplicate ids when reusing facelets compositions in the same naming container
148444
Same content over multiple sites
147458
How can I duplicate my existing software packages on a new system?
134414
How to deal with invalid, but still community-approved edits?
133813
Are duplicate chains OK, or just close directly against one canonical?