After the death of Champollion, Lepsius made a systematic study of the French scholar's Grammaire égyptienne, which had been published posthumously in 1836 but had yet to be widely accepted.
Efter Champollions död gjorde Lepsius en systematisk studie av dennes egyptiska grammatik (Grammaire égyptienne), som hade publicerats postumt 1836, men ännu inte hade blivit allmänt accepterad.