Unit Title	Author
2008
Crossing Borders and Crossing Time: A Tableau of African Immigration and Migration in America	Stacia D. Parker
Keywords: African Americans, Africans, West Philadelphia
2006
Slavery in Philadelphia	Stephanie R. Wicks
Keywords: African Americans, Africans, Africans in Philadelphia, Fugitive Slave Laws, Gradual Abolition Act, History, Impact of Slavery, local, Slavery