Columbia subject headings:
Harvard subject headings:
Jón Steingrímsson, 1728-1791.
Laki (Iceland)--Eruption, 1783-1784.
Lava flows--Iceland--History--18th century.
Volcanic eruptions--Social aspects--Iceland.
Princeton subject headings:
Jón Steingrímsson, 1728-1791.
Laki (Iceland)--Eruption, 1783-1784.
Volcanic eruptions--Social aspects--Iceland.