Calgary Public Library
Inventions + History -- 20th century
Type
http://bibfra.me/vocab/lite/Concept
Label
Inventions + History -- 20th century
Name
Inventions + History
Focus
Inventions + History
Sub focus
History
Inventions
20th century
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Incoming Resources
Subject of
1
Big ideas, 100 modern inventions (that have transformed our world), Alex Hutchinson
Outgoing Resources
Focus
1
Inventions + History
Sub focus
3
History
Inventions
20th century
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