It's not often that we get this many handwritten documents - the immediacy that we have, something where King would jot a note to himself or write an outline for a sermon or aspeech, writea draft of aspeech as important as the Nobel Peace Prize acceptance speech.
The bill of rights attached to the constitution of the newly formed United States of America in 1789 guaranteed free speech and a fair trial, but no right to be taught to read and write.