These annexes accompany "Arts-Based Approaches to Public Engagement with Research: Lessons from a Rapid Review." The findings of the study are based on a literature review that followed the principles of a rapid evidence assessment, complemented by interviews with six experts in the field of arts-based public engagement. Key findings address what arts-based-engagement looks like in practice, influences on how arts-based engagement unfolds, and impacts and outcomes. The annexes include: (1) Annex A, which provides further detail on the study design and methods; (2) Annex B, the interview guide for expert interviews; and (3) Annex C, which provides further details on the outcomes and impacts of the arts-based public engagement approaches covered in this review. [This research was commissioned by The Healthcare Improvement Studies Institute (THIS Institute) and arises from a project that was co-funded by the University of Cambridge's Wellcome Trust Institutional Strategic Support Fund. For the full study, see ED615887.]