Attributed to Zayd ibn Ali (d. 122 AH / 740 CE), compiled by Abu Khalid al-Wasiti 

The most important hadith collection in the entire Zaydi tradition, containing narrations from Imam Zayd transmitted through his students — the foundational primary source of Zaydi transmitted hadith. 

Attributed to Zayd ibn Ali (d. 122 AH / 740 CE) 

The earliest surviving legal hadith document attributed to Imam Zayd himself, containing legal narrations transmitted from the Prophet ﷺ through Ali ibn Abi Talib AS — the founding legal hadith text of the Zaydi tradition. 

Ahmad ibn Isa ibn Zayd (d. 247 AH / 861 CE) 

One of the earliest surviving Zaydi hadith collections after Imam Zayd, gathering narrations from early Zaydi imams transmitted through Alid chains — a primary source for the pre-Yemeni Zaydi hadith tradition. 

Imam al-Hadi ila al-Haqq Yahya ibn al-Husayn (d. 298 AH / 911 CE) 

A compilation of the works of the Yemeni Imamate's founder.

Imam al-Nasir al-Utrush (d. 304 AH) 

The literal foundational bedrock of the Caspian (Tabaristan) Zaydi tradition.

Al-Murshid billah Yahya ibn al-Husayn (d. 479 AH / 499 AH)

A famous compilation of weekly Thursday lectures containing highly authoritative, direct family chains of transmission (Ahl al-Bayt) tracing back to the Prophet ﷺ.

Imam al-Hadi ila al-Haqq Yahya ibn al-Husayn (d. 298 AH)

The seminal legal compendium that codifies the Hadawi school of Zaydi jurisprudence, forming the practical and legislative backbone of the Yemeni state.

Imam al-Qasim ibn Ibrahim al-Rassi (d. 246 AH)

An early, vital compilation of prophetic traditions and theological perspectives preserved from one of the most prominent founding theorists of Zaydi doctrine. 

Imam al-Mutawakkil ala Allah Ahmad ibn Sulayman (d. 566 AH)

A major medieval Yemeni dictation collection that systematically preserves, continues, and integrates the Caspian and Yemeni hadith transmission lines.