Risālah-'i vujūdīyah
- Contributor(s):
- 
              - ʻAṭṭār, Farīd al-Dīn, d. ca. 1230 — Attributed name
- Ḥusayn ibn ʻAlī, d. 680 — Subject of a work
 
- Manuscripts:
- 
              - Delhi Persian 623A (Oriental Manuscripts, British Library) — 17th Century; India, Bihar, Koir Gawan
- Delhi Persian 1176 (Oriental Manuscripts, British Library) — 15th Century – 16th Century; India or Iran
- Delhi Persian 1180 (Oriental Manuscripts, British Library) — 18th Century; Gwalior; India
 
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.