Pollard Memorial Library (Lowell)
Submarine warfare
Type
http://bibfra.me/vocab/lite/Topic
Label
Submarine warfare
Mapped to
1136640
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Incoming Resources
Narrower
1
Submarine warfare + History
Focus of
6
Submarine warfare -- Soviet Union -- History
Submarine warfare -- United States
Submarine warfare -- United States -- History -- 20th century
Submarine warfare -- Germany
Submarine warfare -- Soviet Union
Sub focus of
1
Submarine warfare + History
Outgoing Resources
Mapped to
1
1136640
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