^#smrgDERGİ National Geographic - Sayı: 6 Volume: 138 December

Our Ecological Crisis

Pollution, Threat To Man's Only Home

Gordon Young, James P. Blair

The World - And How We Abuse It

Special Map, And - Painting Supplement

The Fragile Beauty All About Us

Harry S. C. Yen

Land Diving With The Pentecost Islanders

Kal Muller

Old Salem, Morning Star Of Moravian Faith

Rowe Findley

Robert W. Madden

Editor Frederick G. Vosburgh Retires; Succeeded By Gilbert M. Grosvenor

Melvin M. Payne

Scientist Studies Japan's Fantastic Long - Tailed Fowl

Frank X. Okasawara

Eiji Miyazawa

Searching Out Medieval Chruches In Ethiopia's Wilds

Georg Gerster