The principle interest of this site is to present primary, as opposed to secondary, material. However, now and again there are certain pieces that help to explain complicated issues or have other redeeming qualities, so I have put a few of them on.
Negro Membership in the Society of Friends. The classic and long out of print article from The Journal of Negro History, finally back.
The Evangelical Movement and its Impact on the Society of Friends. A convenient -though obviously biased -- summary of the topic. While giving a good overview readers should be aware some of the specifics are of questionable accuracy. If somebody knows of a more balanced article...