| English | eng-000 |
| Northrop | |
| català | cat-000 | John Howard Northrop |
| English | eng-000 | John Howard Northrop |
| suomi | fin-000 | John Howard Northrop |
| suomi | fin-000 | Northrop |
| français | fra-000 | Northrop Corporation |
| galego | glg-000 | John Howard Northrop |
| Ido | ido-000 | Northrop |
| bahasa Indonesia | ind-000 | John H. Northrop |
| bahasa Indonesia | ind-000 | John Howard Northrop |
| bahasa Indonesia | ind-000 | Northrop |
| 日本語 | jpn-000 | ノースロップ |
| lengua lumbarda | lmo-000 | Northrop |
| македонски | mkd-000 | Нортроп |
| Nederlands | nld-000 | Northrop |
| português | por-000 | Northrop |
| русский | rus-000 | нортроп |
| slovenščina | slv-000 | Northrop |
| español | spa-000 | John Howard Northrop |
| español | spa-000 | Northrop |
| ภาษาไทย | tha-000 | จอห์น โฮเวิร์ด นอร์ธรอป |
| ภาษาไทย | tha-000 | นอร์ธรอป |
| Volapük | vol-000 | Northrop |
| Bahasa Malaysia | zsm-000 | John Howard Northrop |
| Bahasa Malaysia | zsm-000 | Northrop |