Encyclopedias, Almanacs, Transcripts, and Maps
- Hans Buchner
- Hans Christian Joachim Gram
- Hans Lippershay
- Hans Lippershay
- Hans von Gersdorff
- Hans Wilhelm Geiger
- Hans Zinsser
- Hans-Joachim Bremermann
- Hansel, C(harles) E(dward) M(ark)(1917-)
- Hansen, F. C. C
- Hantavirus and Hanta Disease
- Hantu Penyardin
- Hantu Pusaka
- Harald August Bohr
- Harald Ulrik Sverdrup
- Haraldsson, Erlendur (1931-)
- Harary, Keith (1953-)
- Hard Water
- Hard Water
- Hardin, Garrett