- Abdu'l-Bahá and Shoghi Effendi, et al. Hasan Elias, comp. Esperanto (2015). Compilation on Esperanto. Compilations-personal.
- Abdu'l-Bahá. Hasan Elias, trans. Tabla de 'Abdu'l-Bahá a Amír Khan (2007). Translations.
- Bahá'u'lláh. Hasan Elias, trans. Tabla de la Medicina (2022). Spanish translation of Lawh-i-Tibb, from an English translation by S. Lambden. Translations.
- Hasan Elias, trans. Tratado sobre gobernanza (2019). Spanish translation of "Treatise on Politics" / "Treatise on Leadership". Translations.
- Abu'l-Qasim Faizi. Hasan Elias, trans. Una llama de fuego (2013). Traducido de "Flame of Fire: The Tablet of Ahmad." Essays.
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