Census Links is a growing catalog of links to transcriptions of census, tax lists, birth, death, marriage and military records, all freely available to help with your genealogy research.
From the UsGenWeb Census Project
As compiled by Thomas L. Doughton, marriages and marriage intention from African Americans and Native Americans at Boston from 1700 through 1750
1900 Census, Suffolk County, Massachusetts (Partial)
1860 Census, Suffolk County, Massachusetts (Partial)
Compiled by Thomas L. Doughton, an alphabetical list of free people of color, mostly African and some Native American, who were residents of Boston in the first quarter of the 18th century
As prepared by Thomas L. Doughton, tabulated burial statistics from Boston 1713 to 1772 confirming that in these years 4653 people of color died in the town, their number representing14.7% of Boston burials
From the Germans in Boston Resource Center