'OHS [Onesua High School] students in class'
'Obed and Kuma and house, South West Bay'
'Objectives, constraints and options in coastal fisheries development.'
'Observations on Pyrodinium bahamense Plate, a toxic dinoflagellate, in Papua New Guinea.'
'Observations on edible oysters in Papua New Guinea.'
'Ocean Monarch sails through manow[?] passage to Vila, Fila Island'
'Offshore view of Monga sawmill, Kolombongara Island'
'Ohonua road bridge on road to Houma village, 'Eua island, Tonga'
'Old Fella's', Hog Harbour, Santo
'Old buildings on Gold Ridge, Guadalcanal'