Adam Graves, who is a doctoral student at Texas Tech University and a Deafblind Education Specialist in the Outreach Program at Texas School for the Blind and Visually Impaired, published the article Braille Literacy Statistics Research Study: History and Politics of the “Braille Reader Statistic”: A summary of AFB Leadership Conference Session on Education in JVIB (the Journal of Visual Impairment and Blindness), May-June, 2018.
https://www.afb.org/afbpress/newpubjvib.asp?DocID=jvib120314