‘If You’re Going to Tell the Story of Slavery, I’m Going to Listen All Day’: Q&A with ‘Homegoing’ Author Yaa Gyasi
http://www.zyzzyva.org/2016/07/21/if-youre-going-qa-with-yaa-gyasi/
This is an in-depth interview with Homegoing author Yaa Gyasi. It can provide background for an analysis of the story.
Ghana country profile
http://www.bbc.com/news/world-africa-13433790
This is BBC's profile for Ghana, including key dates in its history.
Langston Hughes
https://www.poetryfoundation.org/poets/langston-hughes
The Poetry Foundation's page on Langston Hughes, a prominent literary figure during the Harlem Renaissance.