The New England ADA Center's 2010 CT Library Association presentation on websites and access
In August 2019, Webjunction posted a new article on "Prioritizing Accessibility and Disability Inclusion at Your Library" with good reminders and links.
Webjunction archived an October 2014 webinar called "Serving the Underserved: Children with Disabilities at Your Library" which you can view with a free Webjunction account. The associated web page includes a long, incredibly practical resource list.
Connecticut librarian Barbara Klipper published a book through ALA called "Programming for Children and Teens with Autism Spectrum Disorder."
Libraries and Autism provides resources and training for library staff to help them serve individuals with autism and their families more effectively.
The Saint Paul (MN) Public Library has a guide for Resources and Outreach for the Diffabled (Differently Abled) focusing primarily on children and young adults.
LearningWorks for Kids has developed gaming recommendations for alternative learners with autism, ADHD, dyslexia and other diffabilities.