- Archief2012.13 - J. Kent Sedgwick fonds
- Reeks2012.13.2 - Research Subject Files
- Deelreeks2012.13.2.21 - Cottonwood Island and Island Cache
- Bestanddeel2012.13.2.21.01 - Projects associated with river parks and proposed Carrier village at Hudson Bay Slough
- Bestanddeel2012.13.2.21.02 - Cottonwood Island reports on removal of Island Cache residents after 1972 flood and suggestions for creation of park
- Bestanddeel2012.13.2.21.03 - Cottonwood Island background papers
- Bestanddeel2012.13.2.21.04 - Cottonwood Island briefs by Kent Sedgwick
- Bestanddeel2012.13.2.21.05 - Newspaper clippings regarding Cottonwood Island and Island Cache
- Bestanddeel2012.13.2.21.06 - Cottonwood Island general file from the City of Prince George
- Bestanddeel2012.13.2.21.07 - Heritage River Trail System