Find digital copies of 18th, 19th, and early twentieth century books such as memoirs, autobiographies, histories, and novels, all of which can make great primary sources:
● Internet Archive https://archive.org/
● Hathi Trust https://www.hathitrust.org/
● Project Gutenberg https://www.gutenberg.org/
● The One More Voice Project, which digitizes materials written or otherwise created by racialized subjects in the British empire https://onemorevoice.org/html/materials.html