The paintings he designed — influenced by the work of Mexican muralists, jazz music, and
the prevailing social realism of the 1930s — were approved by the Federal Art Project but rejected by the hospital's administration for what they saw as an excess of subject matter relating to African Americans.
Further assessing Avery's place in American art history, Patterson Sims wrote in an essay for the Whitney Museum of American Art: «Early in Avery's career, when
Social Realism and American Scene painting were the
prevailing artistic styles, the semi-abstract tendencies in his work were viewed by many as too radical.