Harappa: Seal: H-390 a: Sayid Ghulam Mustafa Shah and Asko Parpola, 1991: Corpus of Indus Seals and Inscriptions: Volume 2: Page 261: Collections in Pakistan: Suomalainen Tiedeakatemia.
Mohenjo-daro: Seal: M-969 a: Sayid Ghulam Mustafa Shah and Asko Parpola, 1991: Corpus of Indus Seals and Inscriptions: Volume 2: Page 94: Collections in Pakistan: Suomalainen Tiedeakatemia.
Indus Script Sign Number 75: Sign List of the Indus Script: Iravatham Mahadevan, 1977: The Indus Script: Texts, Concordance and Tables: The Director General Archaeological Survey of India.