| Name | Website Address |
| All Music Guide | www.allmusic.com |
| America.gov Archive | www.america.gov |
| American Social History Project | http://ashp.cuny.edu/ |
| Association for Cultural Equality | www.culturalequity.org |
| Christian Biography Resources | www.wholesomewords.org |
| Christian Methodist Episcopal Church | www.c-m-e.org |
| Christianity.com | www.christianity.com |
| Christianity Today | https://www.christianitytoday.org/ |
| Cross Rhythms | www.crossrhythms.co.uk |
| Discography of American Historical Recordings | https://adp.library.ucsb.edu/index.php |
| Document Records | www.document-records.com |
| Gospel Music Association | http://www.gospelmusic.org/ |
| National Association for the Advancement of Colored People (NAACP) | www.naacp.org |
| National Convention of Gospel Choirs and Choruses | www.ncgccinc.com |
| National Baptist Convention, USA, Inc. | www.nationalbaptist.com |
| OKeh Records Album Discography | http://bsnpubs.com/columbia/okeh/okeh.html |
| Radio Screamer | http://radioscreamer.com |
| Smithsonian Folkways | http://www.folkways.si.edu |
| Starr-Gennett Foundation, Inc. | www.starrgennett.org/stories/history/6.htm |
| Trinity Record Company, Inc. | www.trinityrecordcompany.com |
| UK Bible Students | www.ukbiblestudents.co.uk |
| Wikipedia | www.wikipedia.org used under the terms of the Creative Commons Attribution Share-Alike license (CC-BY-SA); |