Columbia subject headings:
Harvard subject headings:
Greenpeace (Boat)
Greenpeace Foundation--History.
Hunter, Robert, 1941---Travel--Alaska--Amchitka Island.
Hunter, Robert, 1941-2005--Travel--Alaska--Amchitka Island.
Keziere, Robert--Travel--Alaska--Amchitka Island.
Princeton subject headings:
Greenpeace (Boat)
Greenpeace Foundation--History.
Hunter, Robert, 1941---Travel.
Keziere, Robert--Travel.