Columbia subject headings:
Harvard subject headings:
Alps, Austrian (Austria)--Social conditions--Congresses.
Alps, Swiss (Switzerland)--Social conditions--Congresses.
Economic development--Austria--Alps, Austrian--Congresses.
Economic development--Switzerland--Alps, Swiss--Congresses.
Rural development--Austria--Alps, Austrian--Congresses.
Rural development--Switzerland--Alps, Swiss--Congresses.
Princeton subject headings:
Alps, Austrian (Austria)--Social conditions--Congresses.
Alps, Swiss (Switzerland)--Social conditions--Congresses.
Economic development--Austria--Alps, Austrian--Congresses.
Economic development--Switzerland--Alps, Swiss--Congresses.
Rural development--Austria--Alps, Austrian--Congresses.
Rural development--Switzerland--Alps, Swiss--Congresses.