She put together, with Madang Teachers College, several teaching aids for primary schools which used her photographs and drawings. There are over 3,000 photographs.

Rosalie was about 37 when she bought her first SLR camera in 1972. She had begun photo-documenting artifacts in Papua New Guinea, initially with a small Instamatic camera that she used for family snap shots. Realizing that the pictures needed to be better she sought the advice of a camera dealer and bought a second- hand Canon. She used the same camera for all her photos. Eventually it fell to pieces from corrosion and mould - due partly to the tropical climate and heavy use.

All black and white photographs displayed on this website were taken with a Canon FT using Kodak black and white film.