Columbia subject headings:
Harvard subject headings:
Alps Region--Economic conditions--19th century.
Famines--Alps Region--History--19th century.
Natural disasters--Alps Region--History--19th century.
Princeton subject headings:
Famines--Switzerland--History--19th century--Congresses.
Switzerland--History--1815-1830--Congresses.
Tambora, Mount (Indonesia)--Eruption, 1815--Congresses.