Subject
Pacific Ocean
Northwest Passage
5
Arctic regions
3
Asia, Eastern
2
Gravity anomalies
2
History
2
Human-animal relationships
2
Military art and science
2
Northwest Coast of North America
2
Ocean travel
2
Orphans
2
Storytelling
2
Teenage boys
2
Tiger
2
United States Foreign relations
2
United States History, Military
2
Voyages and travels
2
Zoo animals
2
Asia, Eastern Foreign relations
1
Asia, Eastern History
1
Buccaneers
1
Eastern question (Far East)
1
Economic zones (Law of the sea)
1
Fisheries
1
Indian Ocean
1
Indians of North America
1
Islands of the Pacific
1
Islands of the Pacific Description and travel
1
Islands of the Pacific Discovery and exploration
1
Marine sediments
1
Natural history
1
Northwest, Canadian
1
Nuclear weapons Testing
1
Oceania Discovery and exploration
1
Oregon
1
Pearl Harbor (Hawaii), Attack on, 1941
1
Polynesians
1
Radioactive fallout
1
Sedimentation and deposition
1
Shipwreck survival
1
Spain Foreign relations
1
Submarine topography
1
Survival
1
Territorial waters
1
United States Colonial question
1
Vancouver Island (B.C.)
1
Voyages around the world
1
Walleye fishing
1
World War, 1939-1945
1