Columbia subject headings:
Harvard subject headings:
Austrians--Brazil--Rio Grande do Sul (State)--Biography.
Germans--Brazil--Rio Grande do Sul (State)--Biography.
Hungarians--Brazil--Rio Grande do Sul (State)--Biography.
Physicians--Austria--Biography
Physicians--Brazil--Rio Grande do Sul--Biography.
Physicians--Germany--Biography
Physicians--Hungary--Biography
Rio Grande do Sul (Brazil : State)--Emigration and immigration.
Princeton subject headings:
Austrians--Brazil--Rio Grande do Sul (State)--Biography.
Germans--Brazil--Rio Grande do Sul (State)--Biography.
Hungarians--Brazil--Rio Grande do Sul (State)--Biography.
Physicians--Austria--Biography.
Physicians--Brazil--Rio Grande do Sul--Biography.
Physicians--Germany--Biography.
Physicians--Hungary--Biography.
Rio Grande do Sul (Brazil : State)--Emigration and immigration.