Columbia subject headings:
Authors, Black--England--Biography.
Authors, English--18th century--Biography.
Musicians, Black--England--Biography.
Sancho, Ignatius, 1729-1780.
Harvard subject headings:
Africans--England--London--History--18th century.
Authors, Black--England--Biography.
Authors, English--18th century--Biography
Black people in art
Black people--England--London--History--18th century.
Composers, Black--England--Biography.
Composers, Black--England--London--Biography.
Grocers--England--London--Biography.
Sancho, Ignatius, 1729-1780
Westminster (London, England)--Race relations--History--18th century.
Princeton subject headings:
Authors, Black--England--Biography.
Authors, English--18th century--Biography.
Composers, Black--England--London--Biogrophy.
London (England)--Race relations--History--18th century.
Musicians, Black--England--Biography.
Sancho, Ignatius, 1729-1780.
Westminster (London, England)--Social life and customs.