| Lëtzebuergesch | ltz-000 |
| Henry Norris Russell Lectureship | |
| Deutsch | deu-000 | Henry Norris Russell Lectureship |
| English | eng-000 | Henry Norris Russell Lectureship |
| français | fra-000 | Henry Norris Russell Lectureship |
| italiano | ita-000 | Henry Norris Russell Lectureship |
| español | spa-000 | Henry Norris Russell Lectureship |