DC Public Library System

Inventions + Economic aspects + History

Type

http://bibfra.me/vocab/lite/Concept

Label

Inventions + Economic aspects + History

Name

Inventions + Economic aspects + History

Focus

Inventions + Economic aspects + History

Sub focus

Actions

Incoming Resources

Subject of
1
- 50 inventions that shaped the modern economy, Tim Harford

Outgoing Resources

Focus
1
- Inventions + Economic aspects + History
Sub focus
3