Niagara Movement Membership Certificate
This file appears in: Trinity Baptist Church: A Center of Civil Rights Activism in the Early 20th Century

Two early leaders of the church, Rev. J.R.L. Diggs and Rev. Garnett R. Waller, were both involved in founding the Niagara Movement.
This file appears in: Trinity Baptist Church: A Center of Civil Rights Activism in the Early 20th Century