Dr. Miranda Kaufmann is a historian of Black British History living in North Wales. You can read a fuller bio here, and contact her here.
Michael Ohajuru's Black Africans in Renaissance Europe blog
Temi Odumosu's The Image of Black website
The UCL Legacies of British Slave-ownership project Database and blog
The Trans-Atlantic Slave Trade Database
The Black Presence in Britain
Jeffrey Green's website, on Africans in 19th and early 20th Century Britain