Columbia subject headings:
Africans--England--London--History--18th century.
Black people--England--London--Correspondence.
Black people--England--London--History--18th century.
Composers, Black--England--London--Correspondence.
Grocers--England--London--Correspondence.
London (England)--Race relations--History--18th century.
Sancho, Ignatius, 1729-1780--Correspondence.
Westminster (London, England)--Social life and customs.
Harvard subject headings:
Africans--England--London--History--18th century.
Black people--England--London--Correspondence.
Black people--England--London--History--18th century.
Composers, Black--England--London--Correspondence.
Grocers--England--London--Correspondence.
London (England)--Race relations--History--18th century.
Sancho, Ignatius, 1729-1780. Correspondence
Westminster (London, England)--Social life and customs.
Princeton subject headings:
Black people--Great Britain--Correspondence.
Great Britain--Social life and customs--18th century.
Sancho, Ignatius, 1729-1780.