Heather,
You could perhaps cooperate with Walt Crawford who has recently reviewed all
DOAJ journals and collected APC info. Or connect with Wouter Gerritsma who
compiled a list late last year
http://wowter.net/2014/11/30/open-access-journal-article-processing-charges/.
Best,
Jeroen
Dear Colleagues,
On April 28, 2015, Kyoto University, Japan adopted Kyoto University Open
Access policy. This policy mandates faculty membe
rs to publicize in principle their academic articles on the Internet by
depositing them in Kyoto University Research Inform
ation Repository KURENAI.