User:SOTO/Forum Archive/The Reference Desk/@comment-4139960-20130612191751/@comment-88790-20130613160159

User:SOTO/Forum Archive/The Reference Desk/@comment-4139960-20130612191751/@comment-88790-20130613160159 If they debut in the prelude, then that's where they debuted.

Also, I doubt there's a way to work out which was published first as we only have a cover date for DWM and a month and year for the novels.