Sous-fonds consists of artwork created by Sister Marie Celine Janisse, including pencil sketches and originals and prints of watercolour paintings. There is also personal and professional correspondence, news clipping, poetry, journal entries, and reflections, written both during and after her missions in Peru and Nicaragua. There are photographs, the majority in albums, of Sister Marie Celine’s artwork and of the Sisters with whom she worked. There is also a journal kept by Sister Marie Celine during a trip to the Holy Land.

This series contains correspondence, a resume, newspaper clippings, and a community newsletter collected or written during Sister Marie Celine Janisse's relief efforts in Nicaragua after Hurricane Mitch. There is also a map of Nicaragua.