Our library is organized by subject, using the Library of Congress Classification system. African American history is a broad subject, meaning you may find relevant books through the library. However, two call number ranges that may be particularly helpful are:
A series of books offering primary narratives from the Colonial years. HathiTrust has multiple catalog records - the link takes you to ONE record with multiple volumes. If those volumes are not what you need, search the title in HathiTrust to see if you can find additional volumes.