Can my answer to a question be a link to another question?
16661
Are answers that just contain links elsewhere really "good answers"?
29720
Is it bad form to include information from other answers in your own answer (with references)?
30441
Please add a way to reach the question's site from the question
55508
Should I copy my answer to a duplicate question to the original question?
82191
What happened to the link to the duplicate when a question is closed as a duplicate?
78376
Flag Answer, duplicate
15852
Posting and answering questions you have already found the answer to
133926
What if 2 answers are essentially the same?
119893
How to reference a work that I refer to on multiple occasions?
50407
Can I draw attention to a well deserving answer on my question?
24386
Submitting an answer to a closed question
89278
Set Some conditions to answer my question
12116
Two Answers, One Question
76545
changing your answer to match someone else's
39442
Can I change which answer I chose to award the bounty to after I've done so?
8765
Your answer is in another castle: when is an answer not an answer?
20138
Allow cross-posting of questions to more than one SO site