Encyclopedias, Almanacs, Transcripts, and Maps
- Healthy Heart Diet
- Heart Diseases
- Heart Diseases
- Heart, Embryonic Development and Changes at Birth
- Heart, Embryonic Development and Changes at Birth
- Heart, Rhythm Control and Impulse Conduction
- Heat and Light (Journal)
- Heat Index
- Heat Index
- Heat Shock Response
- Heavenly Rocks: Asteroids Discovered and Meteorites Explained
- Hecataeus of Miletus
- Hedge Sparrows: Prunellidae
- Hedgehogs
- Hedgehogs
- Heel-Walkers or Gladiators: Mantophasmatodea
- Hefferlin, Gladys
- Hefley's Secret Journal
- Heim, Roger (1900-)
- Heindel, Max (1865-1919)