Are there journals specifically for Open Education?
Journals in open and distance education has either special issues on open education or frequently publishes articles on open education. Some of them are:
Are there repositories specifically about research on Open Education?
The OER Knowledge Cloud provides a search for papers on open education. The Review Project also lists published articles on open education. All papers and presentation from Open Education Global Conferences are archived on the conference website. Papers from OE Global 2015 can be viewed and downloaded here.