Author
- Harpocration, Valerius 1
- Hegesander Delphicus 2 Jh. v. Chr. 1
- Hegesinus Epicus ca. 2.Jh.n.Chr. 1
- Heliodorus Philosopher of Alexandria 1
- Heraclides, Ponticus, ca. 390-310 B.C. 1
- Heraclitus Halicarnassensis ca. 3. Jh. v. Chr. 1
- Heraclitus Lesbius ca. 3. Jh. v. Chr 1
- Hermaeus Historicus ca. 1.Jh.n.Chr 1
- Hermesianax Cyprius ca. 1./2.Jh.n.Chr. 1
- Hermolochus Lyricus ca. 4. Jh. v. Chr. 1
- Hestiaeus Historicus ca. 1.Jh.n.Chr. 1
- Hipparchus fl. 190-127 B.C 1
- Hippasus Lacon ca. 1.Jh.v.Chr. 1
- Hippias Erythraeus ca. 4. Jh. v. Chr 1
- Hippocrates 1
- Hrotsvitha ca. 935-ca. 975 1
- Hyperides 2
- Hypermenes Historicus ca. 2.Jh.n.Chr. 1
- Iamblichus ca. 250-ca. 330 6
- Iamblichus, fl. ca. 160-180. 1
