Encyclopedias, Almanacs, Transcripts, and Maps
- Hynek, J(oseph) Allen (1910-1986)
- Hyperactivity and Sugar
- Hyperlipoproteinemia
- Hypertriglyceridemia
- Hypnagogic State
- Hypno-Art
- Hypocephalus
- Hypochondrogenesis
- Hypochondroplasia
- Hypochondroplasia
- Hypophosphatasia
- Hypophosphatasia
- Hypophosphatemia
- Hypophosphatemia
- Hypospadias and epispadias
- Hypospadias and Epispadias
- Hyraxes
- Hyraxes
- Hyraxes: Hyracoidea
- Hyslop, George Hall (1892-1965)