North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 642 - Research and experimental development services
- 64242 - Research and experimental developmental services in humanities and the arts
- 642421 - Research and experimental developmental services in history and archaeology
- 6424211 - Research and experimental developmental services in history and archaeology
- 642422 - Research and experimental developmental services in languages and literature
- 6424221 - Research and experimental developmental services in languages and literature
- 642423 - Research and experimental developmental services in philosophy, ethics and religion
- 6424231 - Research and experimental developmental services in philosophy, ethics and religion
- 642424 - Research and experimental developmental services in arts (arts, history of arts, performing arts, music)
- 6424241 - Research and experimental developmental services in arts (arts, history of arts, performing arts, music)
- 642425 - Research and experimental developmental services in other humanities
- 6424251 - Research and experimental developmental services in other humanities
- Date modified: