JAWS Access of PDF: A Users Guide
- Guidance and technical advice for screen reader users from the RNIB.
- http://www.rnib.org.uk/xpedio/groups/public/documents/PublicWebsite/public_accessingpdf.hcsp

Guide to Creating Accessible PDF Files for Use on the Web
- Guidelines and checklists from University of Essex.
- http://www.essex.ac.uk/wag/guides/accessibility/pdf-files.htm

A List Apart: Facts and Opinions About PDF Accessibility
- Article by Joe Clark, examining various aspects of the PDF format and how it impacts on those with disabilities.
- http://alistapart.com/articles/pdf_accessibility

RNIB Media Briefing on Accessible PDFs
- Personal notes and recollections by isolani, from an briefing by the Royal National Institute for the Blind.
- http://www.isolani.co.uk/blog/access/RnibAccessiblePdfMediaBriefing

WebAIM: PDF Accessibility
- In depth article considering both the creation and reading side. Includes discussion of using HTML as an alternative, understanding PDF tags, and dealing with existing untagged files.
- http://www.webaim.org/techniques/acrobat/

Web Usability: PDF and Accessibility
- Overview article, including discussion of how to create accessible PDFs, and possible alternative formats.
- http://www.usability.com.au/resources/pdf.cfm

Planet PDF: Accessible PDF
- A collection of articles covering accessibility and related issues in PDF files.
- http://www.planetpdf.com/enterprise/learningcenter.asp?ContainerID=1505

AlastairC: The Four Levels of PDF Accessibility
- Blog entry describing different degrees of accessibility, how to achieve them, and the implications for content producers.
- http://alastairc.ac/2006/07/the-four-levels-of-pdf-accessibility/

Adobe Accessibility: Read PDF Content
- Official information about the accessibility feature built into Adobe Reader and the PDF format.
- http://www.adobe.com/enterprise/accessibility/readcontent.html