Authority records describing geographic areas - used for supporting display and retrieval in MEI
Authority records for holding institutions in MEI
The Incunabula Short Title Catalogue is the international database of 15th-century European printing created by the British Library with contributions from institutions worldwide.
Material evidence (or copy specific, post-production evidence and provenance information) of 15th-century printed books: ownership, decoration, binding, manuscript annotations, stamps, prices, etc.)
Authority records for provenance names recorded in MEI
The Scottish Book Trade Index lists the names, trades and addresses of people involved in printing in Scotland up to 1850. (Nat. Library of Scotland)