Keywords: Geschichte 1900-2000 ; Geschichte 1920-1950 ; Geschichte ; Migration ; Puerto Ricans Biography ; Puerto Ricans History 20th century ; Puerto Ricans Social conditions ; Einwanderung ; Puerto Ricaner ; USA ; New York (N.Y.) Social conditions ; Puerto Rico Emigration and immigration 20th century ; History ; United States Emigration and immigration 20th century ; History ; New York, NY ; Anthologie ; Biografie ; Anthologie ; Biografie ; New York, NY ; Einwanderung ; Puerto Ricaner ; Geschichte 1920-1950