Columbia subject headings:
Barceló, Alberto, 1873-1946.
Buenos Aires (Argentina : Province)--Politics and government.
Ruggiero, Juan Nicolás, 1895-1933.
Harvard subject headings:
Princeton subject headings:
Barceló, Alberto, 1873-1946.
Buenos Aires (Argentina : Province)--Politics and government.
Ruggiero, Juan Nicolás, 1895-1933.