Only one official inscription of Itti-Marduk-balāṭu is presently known.
A piece of limestone in the Vorderasiatisches Museum (Berlin) bears an Akkadian inscription, of which only the king's name, genealogy, and part of the royal titulary are preserved.
Access Itti-Marduk-balāṭu 1 [/ribo/babylon2/Q006239/].
Source
Bibliography
Alexa Bartelmus
Alexa Bartelmus, 'Inscriptions', RIBo, Babylon 2: The Inscriptions of the Second Dynasty of Isin, The RIBo Project, a sub-project of MOCCI, 2024 [http://oracc.museum.upenn.edu/ribo/babylon2/Rulers/Itti-Marduk-balatu/Inscriptions/]