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| Preview | Issue Date | Title | Author(s) |
|---|---|---|---|
 | Jan-1991 | The National Geographic Magazine : Volume 179 : N1 | Grosvenor, Gilbert H.; Graves, William |
 | May-1991 | The National Geographic Magazine : Volume 179 : N5 | Grosvenor, Gilbert H.; Graves, William |
 | Jun-1991 | The National Geographic Magazine : Volume 179 : N6 | Grosvenor, Gilbert H.; Graves, William |
 | Sep-1992 | The National Geographic Magazine : Volume 182 : N3 | Grosvenor, Gilbert M.; Graves, William; Allen, William I. |
 | Nov-1992 | The National Geographic Magazine : Volume 182 : N5 | Grosvenor, Gilbert M.; Graves, William; Allen, William I. |
 | Jul-1992 | The National Geographic Magazine : Volume 182 : N1 | Grosvenor, Gilbert M.; Graves, William; Allen, William I. |
 | Dec-1992 | The National Geographic Magazine : Volume 182 : N6 | Grosvenor, Gilbert M.; Graves, William |
 | Apr-1995 | The National Geographic Magazine : Volume 187 : N4 | Grosvenor, Gilbert M.; Allen, William L.; Moize, Elizabeth A.; Poole, Robert M. |
 | Mar-1995 | The National Geographic Magazine : Volume 187 : N3 | Grosvenor, Gilbert M.; Allen, William L.; Moize, Elizabeth A.; Poole, Robert M. |
 | Feb-1995 | The National Geographic Magazine : Volume 187 : N2 | Grosvenor, Gilbert M.; Allen, William L.; Moize, Elizabeth A.; Poole, Robert M. |