What revered institutions were created in Harlem by the early 1930s as noted in the nonfiction book, The Warmth of Other Suns?

By 1930, 165,000 blacks lived in Harlem and had become a very crowded and majority-black neighborhood. There was a unique and sophisticated culture in black Harlem in the early days. Revered institutions like the Cotton Club, the Savoy Ballroom and the Abyssinian Baptist Church were established. There were poetry readings in private salons but there was also the rise of illegal numbers running which was catching on like fire among the black residents.