Does a "dupe" on another (non-SE/SO) site warrant a vote to close?
118752
Is it wrong to ask the same question elsewhere?
133576
Should we reword the closure text for duplicate questions?
44392
Questions closed as duplicates should include a link to the original question
24779
How SO handles close reason on equal number of Close votes different catagories
11295
What is duplicate content and how can I avoid being penalized for it on my site?
70074
How to handle a deliberate duplicate question
24930
Auto comment "possible duplicate of ..." missing on voting to close as duplicate
69602
Why does Super User site appear twice in vote-to-close dialog?
2091
What's the incentive to flag duplicates?
136740
Setting for sites to use the design of other existing SE sites
13709
Should flagging a question for closure prevent close-voting?
82853
Can Community ♦ raise a duplicate content flag when an answer is deleted and re-posted as a new answer?
154354
What are efficient ways to find duplicates on trilogy sites?
27876
How soon should I "vote to close"?
14618
Is it okay to repost a reformulated question that is closed (or on hold)?
146255
How do re-open votes expire?
16323
How do I change a close vote to a duplicate?