Which duplicate questions should be closed?
14629
Should I vote to close a duplicate question, even though it's much newer, and has more up to date answers?
11295
What is duplicate content and how can I avoid being penalized for it on my site?
19629
Where is it preferred to place the answer to duplicate questions?
114835
Why don't I get credit for closing one of my own questions as a duplicate
31470
Why was this question closed as a duplicate and not as unclear what you're asking?
77168
Do related linked questions really need to be linked twice?
2091
What's the incentive to flag duplicates?
7406
When merging questions, leave the duplicate one as a placeholder
126330
Wrong wording of close message when question is closed as duplicate of more than one
85136
Should we close 'fix my program' questions
81134
What decides what to prepend the duplicate question list with on a duplicate question?
51087
Remove votes to close question X as a duplicate of Y if question Y is closed as a duplicate of X
106883
Auto-flag duplicates of deleted questions for reopening / deletion
110889
What is the most rampant duplicate on Stack Exchange sites?
78861
Why are there two separate boxes about duplicate questions?
52372
How do you challenge the closing of one of your questions?
103021
Don't close questions where the user has requested that it not be closed