archive.org/details/NationalGeographicThe1970s| Name | Format | # Files | Size | Date |
|---|---|---|---|---|
| CNG_70_73_January_1970-April_1973.ISO | CD Disc Image | 2 | 628MB | 2000-01-01 |
| CNG_73_76_May_1973August_1976.ISO | CD Disc Image | 2 | 637MB | 2000-01-01 |
| CNG_76_79_September_1976-December_1979.ISO | CD Disc Image | 2 | 669MB | 2000-01-01 |
| Name | Format | # Pages | Size | Date |
|---|---|---|---|---|
| National_Geographic_Magazine_The_1970's.pdf | Portable Document Format | 2MB | 2000-01-01 | |
| The_Complete_National_Geographic_Magazine_September_1888-December_1999_box_art.pdf | Portable Document Format | 23MB | 2000-01-01 |