- Collectie2003.11 - Island Cache Recovery Project Collection
- Reeks2003.11.3 - Island Cache Research Material
- Bestanddeel2003.11.3.1 - Copies of Bob Parris' collected material for 1970
- Bestanddeel2003.11.3.2 - Copies of Bob Parris' collected material for 1971
- Bestanddeel2003.11.3.3 - Copies of Bob Parris' collected material for 1972
- Bestanddeel2003.11.3.4 - Copies of Bob Parris' collected material for 1973
- Bestanddeel2003.11.3.5 - Newspaper articles about Island Cache
- Bestanddeel2003.11.3.6 - Photocopies of Island Cache photographs
- Bestanddeel2003.11.3.7 - Copies of research material from libraries, museums, and archives
- Bestanddeel2003.11.3.8 - Maps of Island Cache