| English | eng-000 |
| law of constant proportion | |
| 普通话 | cmn-000 | 定比定律 |
| English | eng-000 | law of definite composition |
| English | eng-000 | law of definite proportion |
| English | eng-000 | law of definite proportions |
| suomi | fin-000 | muuttumattomien painosuhteiden laki |
| 日本語 | jpn-000 | 定比例の法則 |
| português | por-000 | Lei de Proust |
| português | por-000 | Lei de proust |