Die Fragmente der griechischen Historiker, commonly abbreviated FGrHist or FGrH (Fragments of the Greek Historians), is a collection by Felix Jacoby of the works of those ancient Greek historians whose works have been lost, but of which we have citations, extracts or summaries.
It is mainly founded on Karl Wilhelm Ludwig Müller's previous Fragmenta Historicorum Graecorum (1841–1870).
A pool of editors is currently trying to complete this task (Die Fragmente der griechischen Historiker.
Continued); 200+ new entries have been published online so far (in English, German, French and Italian), with editions in print following for part IV.
Meanwhile a new English-language edition of Jacoby's original work (parts I-III) has also been published online, Brill's New Jacoby (BNJ), with a completely new commentary, providing English translations of all fragments and an updated bibliography.