Library Online Catalog
African Americans
1800 ~ 1870

Using the online catalog, check your school, local public library and local college libraries for primary sources.

For example ~ Go to the online catalog and do a Keyword search. 
In the search window using the Boolean method, type in document OR primary source. 
To narrow your search type in document OR primary source AND African Americans. 

      Using this method on Huffington Library's Online Catalog, here is an example of a reference book containing primary sources on the census statistics of white and slave labor.

Historical Statistics of the United States: Colonial Times to 1970. by United States, Bureau of the Census. Washington: U.S. Dept. of Commerce, Bureau of the Census: for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1975.

If you are not finding the sources you need, ask the librarian for help. Some items may not be cataloged or may be in a special collection or archive.