From Citizendium, the Citizens' Compendium
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- Cryogenic Society of America, Inc. (CSA)
- Sumitomo (SHI) Cryogenics of America, Inc.
- Lancaster University, Ultra Low Temperature Physics - ULT research group homepage
- Flightglobal: Tupolev's cryogenic airliners
- Cryogenics, Key to Advanced Science and Technology
- An Introduction to Cryogenics
- A practical application of Cryogenics
- Cryo Diffusion - Cryogenic equipment
- SASPG International - Cryogenic equipment