Corpus Inscriptionum Insularum Celticarum (Celtic inscriptions), Corpus Inscriptionum Iranicarum (Iranian inscriptions), "Royal Inscriptions of Mesopotamia" and "Royal Inscriptions of the Neo-Assyrian Period" (Sumerian and Akkadian inscriptions) and so forth.

Egyptian hieroglyphs were solved using the Rosetta Stone, which was a multilingual stele in Classical Greek, Demotic Egyptian and Classical Egyptian hieroglyphs. The work was done by the French scholar, Jean-François Champollion,