Columbia subject headings:
Harvard subject headings:
Argentina--Politics and government--1910-1943
Justo, Juan B. (Juan Bautista), 1865-1928.
Partido Socialista (Argentina)
Socialists--Argentina--Biography
Princeton subject headings:
Argentina--Politics and government--1910-1943.
Justo, Juan B. (Juan Bautista), 1865-1928.