Dictionaries and Encyclopedias
- An A to Z of Medicinal Drugs
- Acronym and Abbreviations Database (Indiana University Chemistry Library)
- BioABACUS
- Concise Medical Dictionary
- Dictionary of Biology
- Dictionary of Chemistry
- Dictionary of Earth Sciences
- Dictionary of Ecology
- Dictionary of Mathematics
- Dictionary of Physics
- Dictionary of Scientists
- Dictionary of Statistics
- Dictionary of Weights, Measures and Units
- IUPAC Gold Book
- Little Encyclopedia of Mass Spectrometry
- Statistical Universe
- Terms of Environment (EPA)