Acknowledgments of the sources for this timeline:
- Freedom on My Mind: A History of African Americans, with Documents, Textbook by Deborah Gray White, Mia Bay, and Waldo Martin (2012)
- National Park Service
- Library of Congress
- National Archives
- Wikipedia
- PBS
- Equal Justice Society
- ProPublica: Their Family Bought Land One Generation After Slavery (Presser, 2019)
- Online Archive of California
- California Historical Society
- Oakland Museum of California
- The Daily Californian
- UC Berkeley Libraries
All photos are public domain unless otherwise credited.