1.     Slavery   and   Abolition   in   Maryland
Adams, Herbert B. ed.   1969. Negro in Maryland: A Study of the Institution of Slavery. New York:  Negro Universities  Press. Originally  published  in   1889  by  Johns  Hopkins  University, Baltimore.
A  fairly objective appraisal of laws  and policies pertaining to free blacks  and slaves  in Maryland.
Bracken, Jeffrey R.   1889. The Negro in Marvland: A Studv of the Institution of Slavery.  Reprint, New York, Negro University Press,   1969.
One of the  first major studies  of slavery in Maryland.
Bridner, Elwood L. Jr. Spring,  1971. "The Fugitive Slaves in Maryland."   Maryland  Historical   Magazine   66.