| https://en.wikisource.org/wiki/Twenty-three_Tales/A_Grain_as_Big_as_a_Hen's_Egg | wikisource |
| https://ar.wikisource.org/wiki/مجلة_الرسالة/العدد_747/القصص | wikisource |
| https://ru.wikisource.org/wiki/Зерно_с_куриное_яйцо_(Толстой) | wikisource |
| https://en.wikipedia.org/wiki/The_Grain | wikipedia |
| https://de.wikipedia.org/wiki/Das_eigroße_Korn | wikipedia |
| https://fr.wikipedia.org/wiki/Le_Grain_miraculeux | wikipedia |
