What are facts about Nella Larsen?

Nella Larsen:

• A novelist of the New Negro movement.
• Quicksand (1928) and Passing (1929) were two of her most popular novels.
• In 1929, Larson received the Harmon Foundation's bronze medal for achievement in literature.
• At the same year, she was accused of plagiarizing "Sanctuary" (1930) a short story, in the Forummagazine.