Inventions -- Economic aspects -- History
Authority Link
http://id.loc.gov/authorities/subjects/sh85067667http://id.loc.gov/authorities/subjects/sh99005484http://id.loc.gov/authorities/subjects/sh99005024
Label
Inventions -- Economic aspects -- History
Name
Inventions
Focus
Sub focus
Actions
Incoming Resources
- Subject of1
Outgoing Resources
- Focus1
- Sub focus2