The Monumenta Germaniae Historica (frequently abbreviated MGH in bibliographies and lists of sources) is a comprehensive series of carefully edited and published primary sources, both chronicle and archival, for the study of German history (broadly conceived) from the end of the Roman Empire to 1500.
The Patrologia Graeca (or Patrologiae Cursus Completus, Series Graeca) is an edited collection of writings by the Christian Church Fathers and various secular writers, in the Greek language. It consists of 161 volumes and includes both the Eastern Fathers as well as those Western authors who wrote before Latin became predominant in the Western Church in the 3rd century.
