REHABDATA (produced by the National Rehabilitation Information Center)
The "leading literature database on disability and rehabilitation[,]" it "describes over 65,000 documents" from 1956 onward regarding "physical, mental, and psychiatric disabilities, independent living, vocational rehabilitation, special education, assistive technology, law, employment" and more.
Open public access. Locate citations of interest within this database, then search for them within the library catalog (books) or periodicals locator (journal articles) as appropriate.