Collection place
- Madang Province, Momase Region, Papua New Guinea4 objects
- Madera County, California9 objects
- Magdhaba, Sinai peninsula, Egypt1 objects
- Malay Peninsula, Southeast Asia18 objects
- Malaysia2 objects
- Mali4 objects
- Malo Island, Sanma Province, Vanuatu1 objects
- Manguvu, Democratic Republic of the Congo1 objects
- Maningrida region, Arnhem Land, Northern Territory2 objects
- Maningrida, Arnhem Land, Northern Territory2 objects
- Manus Island, Admiralty Islands, Manus Province1 objects
- Manus Province, Bismarck Archipelago, Islands Region2 objects
- Maprik District, East Sepik Province, Papua New Guinea1 objects
- Mariposa County, California1 objects
- Market in city, La Paz, Bolivia1 objects
- Marsabit, Eastern Province, Kenya1 objects
- Martin's Ferry, Humboldt County, California1 objects
- Massim region, Papua Region, Papua New Guinea5 objects
- Matende Village, Namibia1 objects
- May River Tributary, Upper Sepik River, Papua New Guinea2 objects