This question is an explicit request for references.
Normally H:SE discourages reference questions on the grounds that many reference questions are ephemeral and subjective. On the other hand, there is a recognized need to permit and encourage questions like, "What are some sources to permit me to research X?".
The top answer to any reference question should be community wiki so that anyone can edit. Nobody makes the final call and nobody selects which questions; or to put it another way, the community moderates the site, like all other questions.
In general, add new answers as new answers to the question. Once the community has had the chance to review and vote on new answers, someone in the community will move the answer up to the community wiki answer; the community wiki answer will contain the best advice and counsel of the site. We want to avoid discussion of community wiki answers; they should be generally recognized.