Does anyone has a useful mailing list for this, or
another source where I
can reach Wikipedia contributors?
The main Wikipedia list is at
<http://lists.wikimedia.org/mailman/listinfo/wikipedia-l>
There are specific lists for various languages, such as wikien-l for
English. <http://lists.wikimedia.org/mailman/listinfo/wikien-l>
Each language version of Wikipedia also has a "village pump"
discussion area. These are linked in the interlanguage links area of
<http://en.wikipedia.org/wiki/Wikipedia:Village_pump>
Angela