A  pamphlet on the problem  the  emancipation  of slaves  might pose  to  the  Maryland  economy.
Menard,  Russell.   1975.   "The  Maryland  Slave  Population:   1658-1730: A Demographic Profile of Blacks in Four Counties." William and Mary  Quarterly  32:   29-54.
Neville, Barry and Edward Jones.  "Slavery in Worcester County
Maryland"   Maryland  Historical   Magazine,   89   (3);   319-327.
A local history of slavery in Worcester County, Maryland.
Rollo, Vera A.   1992. The Negro In Maryland: A Short History. Lanham,  MD:  Maryland  Historical  Press.
Provides  a chronology  of important historical  events  in  the lives  of early  black Marylanders.
Yellott, George.  1860. An Earnest Appeal to Men of All Parties,
Opposed to an to an Affiliation with The Abolitionists, by a