The Lost Museum Archive
The Five Points in 1859
This print showing a view of one of New York City's more notorious poor neighborhoods offers a variety of picturesque and sensational incidents, including an assault in broad daylight. It also indicates that African-Americans worked and resided in a district usually identified as composed largely of Irish immigrants.
Source: D. T. Valentine, comp., Manual of the Corporation of the City of New York for 1860 (New York, 1860) - OId York Library.