List of Maryland and Delaware slave traders

This is a list of slave traders working in Maryland and Delaware from 1776 until 1865:

1855 Colton map of Baltimore (Geographicus Rare Antique Maps)
Advertisement seeking enslaved people
"NEGROES WANTED" and "CASH FOR NEGROES" ads placed by Hope H. Slatter , Joseph S. Donovan , B. M. Campbell , and William Harker ( The Baltimore Sun , Nov. 14, 1843)
Tavern of slave trader Joe Johnson, the son-in-law of serial killer Patty Cannon