- Collection2009.21 - Thomas Crosby Mission Ship Photograph Collection
- Pièce2009.21.1 - Thomas Crosby III Mission Ship group photo in Port Essington, BC
- Pièce2009.21.2 - Dr. Armstrong standing with summer relief doctor
- Pièce2009.21.3 - Dr. Perry and family at Port Essington Hospital
- Pièce2009.21.4 - Hospital and Church at Port Essington
- Pièce2009.21.5 - Dr. Armstrong and Nurse Hall leaving a fish cannery
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