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| National Geographic Apr 1963 SWEDEN | $ 0.99 |
| National Geographic Magazines FEB MAR APR MAY 1921 | $ 8.99 |
| NATIONAL GEOGRAPHIC Apr 1987 Antarctica - Seals - Andes | $ 0.33 |
| NATIONAL GEOGRAPHIC Apr 1985 India - Moguls - Austria | $ 0.33 |
| NATIONAL GEOGRAPHIC Apr 1984 CA - PA - Japan - Narwahl | $ 0.33 |
| National Geographic Magazines APR AUG SEPT OCT 1920 | $ 8.99 |
| NATIONAL GEOGRAPHIC APR 1930 with LOUISIANA MAP QUEBEC | $ 9.99 |
| 1979-04 APR NATIONAL GEOGRAPHIC: LEAKEY TANZANIA-PRAGUE | $ 6.95 |
| 1978-04 APR NATIONAL GEOGRAPHIC CHINA-CHICAGO-YUKON-MAP | $ 6.95 |
| 1977-04 APR NATIONAL GEOGRAPHIC: QUEBEC-NEPAL-VERMONT | $ 7.95 |
| 1976-04 APR NATIONAL GEOGRAPHIC IRAQ-IRELAND-HAWAII-MAP | $ 6.95 |
| 1975-04 APR NATIONAL GEOGRAPHIC: UTAH-TORIES-CREE-SHARK | $ 6.95 |
| 1974-04 APR NATIONAL GEOGRAPHIC: SYRIA-WI-SAHARA-UK MAP | $ 6.95 |
| 1973-04 APR NATIONAL GEOGRAPHIC: MADEIRA-GOLDFISH-AMISH | $ 6.95 |
| 1972-04 APR NATIONAL GEOGRAPHIC: POLAND-AFGHANISTAN | $ 6.95 |
| 1971-04 APR NATIONAL GEOGRAPHIC: MAUI-ARANS-POLAR BEARS | $ 7.95 |
| 1970-04 APR NATIONAL GEOGRAPHIC: WHITE TIGER-SHENANDOAH | $ 7.95 |
| 1969-04 APR NATIONAL GEOGRAPHIC: LIONS-MACAO-ALASKA | $ 7.45 |
| 1968-04 APR NATIONAL GEOGRAPHIC: VIETNAM-NETHERLANDS | $ 8.44 |
| 1967-04 APR NATIONAL GEOGRAPHIC: RHINE-GALAPAGOS-GREECE | $ 7.45 |
| 1966-04 APR NATIONAL GEOGRAPHIC: COUSTEAU-CEYLON-GEMINI | $ 8.44 |
| 1965-04 APR NATIONAL GEOGRAPHIC APPOMATTOX-WORLD'S FAIR | $ 9.94 |
| 1964-04 APR NATIONAL GEOGRAPHIC COUSTEAU-CAT-CHESAPEAKE | $ 7.45 |
| 1963-04 APR NATIONAL GEOGRAPHIC: SWEDEN-MONACO-NIAGARA | $ 7.45 |
| 1962-04 APR NATIONAL GEOGRAPHIC TAHITI-NEW ZEALAND-BYRD | $ 7.45 |
| 1961-04 APR NATIONAL GEOGRAPHIC CIVIL WAR-SCOTLAND-BATS | $ 7.45 |
| 1960-04 APR NATIONAL GEOGRAPHIC CAMBODIA-COUSTEAU w MAP | $ 14.95 |
| 1959-04 APR NATIONAL GEOGRAPHIC: GREAT LAKES-JERUSALEM | $ 7.95 |
| 1958-04 APR NATIONAL GEOGRAPHIC: ANTARCTICA-LEBANON-LA | $ 7.95 |
| 1956-04 APR NATIONAL GEOGRAPHIC IFALIK-VIRGINIA-MAP SUP | $ 14.95 |
| 1955-04 APR NATIONAL GEOGRAPHIC: ARCTIC-COUSTEAU-TAIWAN | $ 14.95 |
| 1954-04 APR NATIONAL GEOGRAPHIC: VERMONT-MID EAST-SAAR | $ 7.95 |
| 1953-04 APR NATIONAL GEOGRAPHIC: CHINA-TAIWAN-IRAQ | $ 7.95 |
| 1952-04 APR NATIONAL GEOGRAPHIC NEW ZEALAND-KANSAS-ALPS | $ 7.95 |
| 1950-04 APR NATIONAL GEOGRAPHIC SPAIN-ARIZONA-KEW ENGLD | $ 7.95 |
| 1949-04 APR NATIONAL GEOGRAPHIC: BRITISH WAY Number | $ 8.94 |
| 1948-04 APR NATIONAL GEOGRAPHIC: SAUDI ARABIA-KASHMIR | $ 22.95 |
| 1947-04 APR NATIONAL GEOGRAPHIC: MOCHICA PERU-HONG KONG | $ 8.94 |
| 1946-04 APR NATIONAL GEOGRAPHIC: CAMBRIDGE-AFGHANISTAN | $ 8.94 |
| 1943-04 APR NATIONAL GEOGRAPHIC: CONNECTICUT-GUIANA-UK | $ 9.94 |
| 1942-04 APR NATIONAL GEOGRAPHIC: ANZAC-CALIFORNIA-EGYPT | $ 8.94 |
| 1941-04 APR NATIONAL GEOGRAPHIC ENGLAND-MD-AEGEAN-SWISS | $ 8.94 |
| 1940-04 APR NATIONAL GEOGRAPHIC: NILE-CARACAS-HONG KONG | $ 8.94 |
| 1939-04 APR NATIONAL GEOGRAPHIC LONG ISLAND-NORWAY-COKE | $ 9.94 |
| 1938-04 APR NATIONAL GEOGRAPHIC BELGIUM-RHODES-AUSTRIA | $ 8.94 |
| 1936-04 APR NATIONAL GEOGRAPHIC JAPAN-YAP-LAKE DISTRICT | $ 9.94 |
| 1932-04 APR NATIONAL GEOGRAPHIC: POLAND-TURKEY-CHINA | $ 9.94 |
| 1931-04 APR NATIONAL GEOGRAPHIC: SOUTH AFRICA-SINGAPORE | $ 8.94 |
| 1930-04 APR NATIONAL GEOGRAPHIC LOUISIANA-QUEBEC CANADA | $ 8.94 |
| 1929-04 APR NATIONAL GEOGRAPHIC: VIRGINIA-MONTICELLO-ME | $ 9.94 |
| 1928-04 APR NATIONAL GEOGRAPHIC: ITALY-ICELAND-SHEEP | $ 8.94 |
| 1927-04 APR NATIONAL GEOGRAPHIC: FOWL Nbr COLOR-CHINA | $ 19.95 |
| 1926-04 APR NATIONAL GEOGRAPHIC: AMAZON-PARIMA-SARDINIA | $ 8.94 |
| 1925-04 APR NATIONAL GEOGRAPHIC: CANADA ROCKIES-CHINA | $ 9.94 |
| 1923-04 APR NATIONAL GEOGRAPHIC: MA-US WEST-ZION-BRYCE | $ 8.94 |
| 1922-04 APR NATIONAL GEOGRAPHIC: BRYCE-IRAQ-ANTARCTICA | $ 8.94 |
| 1921-04 APR NATIONAL GEOGRAPHIC: PERSIA- PERSIA COLOR | $ 14.95 |
| 1920-04 APR NATIONAL GEOGRAPHIC: PEARY-CROWS-SALV ARMY | $ 8.94 |