Quaker Testimonies on the Plain Language Witness
Quaker Spirituality and the Use of Plain Speech
Elizabeth Gurney Fry, Quaker humanitarian (1780-1845)
I used to think and do now how little dress matters. But I find it almost impossible to keep to the principles of Friends without altering my dress and speech. . . . They appear to me a sort of protector to the principles of Christianity in the present state of the world.
I am not Amish or Mennonite, but some people who come to my website are interested in knowing more about these groups. I can recommend these books as authoritative and relatively inexpensive sources of further information.