Columbia subject headings:
Harvard subject headings:
Mattsee (Austria)--Biography.
Mattsee (Austria)--History.
Princeton subject headings:
Antisemitism--Austria--Mattsee--History--20th century.
Dollfuss, Engelbert, 1892-1934.
Mattsee (Austria)--History--20th century.
National socialism--Austria--Mattsee--History--20th century.
Schoenberg, Arnold, 1874-1951.
Seyss-Inquart, Arthur, 1892-1946.
Szálasi, Ferenc, 1897-1946.