Columbia subject headings:
Agrupación "Avanzar."
Grauert, Julio César, 1902-1933.
Socialism--Uruguay--History--20th century.
Socialists--Uruguay--Biography.
Uruguay--Politics and government--1904-1973.
Harvard subject headings:
Agrupación "Avanzar"--History.
Grauert, Julio César, 1902-1933.
Socialists--Uruguay--Biography.
Princeton subject headings: