Catalogued
Box (classification) chart
- Made by
- Karsten (naming); business practice
- Year
- 1923
- Field
- Logic, language and computing
- Kind
- Concept diagram
- Room
- Links and trees — Placed by reading its description, not yet studied
121 other forms share this skeleton
Source
Karsten 1923, Charts and Graphs, p.14-15, Fig.12
Attribution less certain: contested, or no single inventor recorded