| Shelfclass | Sortkey | Title |
|---|---|---|
| 8.B.1 | CENTRAL | Central Product Classification (CPC): Version 1.1 |
| 8.B.1 | NACE | NACE Rev. 1: Statistical Classification of Economic Activities in the European Community |
| 8.B.1 | NAICS | NAICS 1997: North American Industry Classification System. United States, 1997 |
| 8.B.1 | NAICS | NAICS 2002: North American Industry Classification System. United States, 2002 |
| 8.B.1 | SHAN, CARL | The Data Science Handbook: Advice and Insights from 25 Amazing Data Scientists |