The Big Sea: An Autobiography by Langston Hughes:
Like the bullfights, I can never put on paper the thrill of that underground ride to Harlem. I had never been in a subway before and it fascinated me—the noise, the speed, the green lights ahead. At every station I kept watching for the sign: 135TH STREET. When I saw it, I held my breath. I came out onto the platform with two heavy bags and looked around. It was still early morning and people were going to work. Hundreds of colored people! I wanted to shake hands with them, speak to them. I hadn’t seen any colored people for so long—that is, any Negro colored people.
I went up the steps and out into the bright September sunlight. Harlem! I stood there, dropped my bags, took a deep breath and felt happy again. I registered at the Y.