Columbia subject headings:
Argentina--Politics and government--1860-1910.
Argentina--Politics and government--1910-1943.
Politicians--Argentina--Biography.
Roca, Julio.
Vice-presidents--Argentina--Biography.
Harvard subject headings:
Argentina--Politics and government--1860-1910.
Argentina--Politics and government--1910-1943
Politicians--Argentina--Biography
Roca, Julio, 1873-1942.
Vice-presidents--Argentina--Biography.
Princeton subject headings:
Argentina--Politics and government--1860-1910.
Argentina--Politics and government--1910-1943.
Politicians--Argentina--Biography.
Roca, Julio, 1873-1942.
Vice-presidents--Argentina--Biography.