| MSC 1991 | Number of Preprints | |
| 80-XX | Classical thermodynamics, heat transfer
| 2 | browse |
| 80-00 | General reference works (handbooks, dictionaries, bibliographies, etc.)
| 2 | browse |
| 80-01 | Instructional exposition (textbooks, tutorial papers, etc.)
| 2 | browse |
| 80-02 | Research exposition (monographs, survey articles)
| 2 | browse |
| 80-03 | Historical
| 2 | browse |
| 80-04 | Explicit machine computation and programs (not the theory of computation or programming)
| 2 | browse |
| 80-05 | Experimental papers
| 2 | browse |
| 80-06 | Proceedings, conferences, collections, etc.
| 2 | browse |
| 80-08 | Computational methods
| 2 | browse |
| 80A05 | Foundations
| 101 | browse |
| 80A10 | Classical thermodynamics
| 101 | browse |
| 80A15 | Thermodynamics of mixtures
| 101 | browse |
| 80A20 | Heat and mass transfer, heat flow
| 101 | browse |
| 80A22 | Stefan problems, phase changes, etc.
| 101 | browse |
| 80A23 | Inverse problems
| 101 | browse |
| 80A25 | Combustion, interior ballistics
| 101 | browse |
| 80A30 | Chemical kinetics
| 101 | browse |
| 80A32 | Chemically reacting flows
| 101 | browse |
| 80A50 | Chemistry (general)
| 101 | browse |
| 80A97 | Mathematically heuristic classical thermodynamics (must also be assigned at least one other classification number in this section)
| 101 | browse |
| 80A99 | Miscellaneous topics
| 101 | browse |