- Archief3 - Vickie Jensen and Jay Powell fonds
- Reeks3-02 - Chinook Jargon
- Deelreeks3-02-B - Field notes and correspondence
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- Bestanddeel2 - Powell's first attempt at a Chinook Jargon etymological dictionary with variations in spelling of words in standard jargon
- Bestanddeel3 - Unsorted Chinook Jargon questions and notes
- Bestanddeel4 - A bibliography of Chinook Jargon material
- Bestanddeel5 - Powell's test of the efficacy of Chinook Jargon to communicate a message understandably
- Bestanddeel6 - Harry Tsang letter
- Bestanddeel7 - University of Washington Press correspondence re: Chinook Jargon book
