Columbia subject headings:
Harvard subject headings:
National socialism--Austria--Sankt Pölten--Congresses.
Sankt Pölten (Austria)--Economic conditions--20th century--Congresses.
Sankt Pölten (Austria)--History--20th century--Congresses.
Sankt Pölten (Austria)--Politics and government--20th century--Congresses.
Sankt Pölten (Austria)--Social conditions--20th century--Congresses.
Princeton subject headings:
National socialism--Austria--Sankt Pölten--Congresses.
Sankt Pölten (Austria)--History--20th century--Congresses.
Sankt Pölten (Austria)--Politics and government--Congresses.