National Geographic Magazine N° 140 Du 01/08/1971 - Oklahoma - Help For Philippine Tribes In Trouble - Tektite Ii - Science's Window On The Sea - All - Girl Team Tests The Habitat.
National Geographic Magazine N° 140 Du 01/11/1971 - The People Of Cumberland Gap - Antarctica's Nearer Side - Nepal - Carnival In Trinidad - Leopards In The Wild - Uganda.
National Geographic N° 140 Du 01/10/1971 - India's River Of Faith The Ganges - North Slope - Return Of The Sea Otter - Hong Kong - More Years With Moutain Gorillas - Great Religions Of The World.
National Geographic N° 140 Du 01/12/1971 - The Zulus - Shy Monster - The Octopus - Return To Changing China - Questing For Gems - St - Peter's Rome's Church Of Popes - First Glimpse Of A Stone Age Tribe.