The book Thoughts Concerning the Religious Instruction of the Negroes of this Country, written by William S. Plumer, is an important document that illuminates views on the religious education of African Americans in the United States. The author expresses his position on the importance of providing spiritual instruction to this population group. He examines the history and sociocultural context of the formation of religious practices among Negroes and suggests approaches to their more effective religious education. This book became a significant contribution to the understanding of the importance of religious activity among the African-American population and the problems of their religious education.