Accessible Publishing Learning Network: a Canadian-made accessibility resource specifically crafted for publishers working in the Canadian context.National Network for Equitable Library Services, which provides AccessiblePublishing.ca, a resource for publishers.
Fondazione LIA is an excellent source of knowledge for all aspects of accessible publishing. Their book "Ebooks for All," a marvellous compendium of vital information on the field, is available at these links:In this Knowledge Base,
Accessible EPUB created by desLibris includes the metadata enhancements below.
These are reflected in the Onix metadata supplied with each Accessible conversion.