archive.org/details/NationalGeographicThe1920s| Name | Format | # Files | Size | Date |
|---|---|---|---|---|
| CNG_20_23_January_1920-April_1923.ISO | CD Disc Image | 2 | 501MB | 2000-01-01 |
| CNG_23_26_May_1923-August_1926.ISO | CD Disc Image | 2 | 570MB | 2000-01-01 |
| CNG_26_29_September_1926-December_1929.ISO | CD Disc Image | 2 | 618MB | 2000-01-01 |
| Name | Format | # Pages | Size | Date |
|---|---|---|---|---|
| National_Geographic_Magazine_The_1920'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 |