HathiTrust bibliographic metadata, page images, and OCR generated text (where available) can be retrieved via available HathiTrust APIs
Images and descriptive metadata for the digitized manuscripts of the Islamic Manuscripts Collection at the University of Michigan can be retrieved using the HathiTrust Data API. Bibliographic records can be retrieved using the HathiTrust Bibliographic API or OAI feed.
Guidance on accessing images and metadata from the OPenn site, including the Manuscripts of the Muslim World collection. Use wget or rsync to bulk download files (for example all images and metadata files for a single manuscript).