| MSC 1991 | Number of Preprints | |
| 92-XX | Biology and other natural sciences, behavioral sciences
| 29 | browse |
| 92-00 | General reference works (handbooks, dictionaries, bibliographies, etc.)
| 29 | browse |
| 92-01 | Instructional exposition (textbooks, tutorial papers, etc.)
| 29 | browse |
| 92-02 | Research exposition (monographs, survey articles)
| 29 | browse |
| 92-03 | Historical
| 29 | browse |
| 92-04 | Explicit machine computation and programs (not the theory of computation or programming)
| 29 | browse |
| 92-06 | Proceedings, conferences, collections, etc.
| 29 | browse |
| 92-08 | Computational methods
| 29 | browse |
| 92Bxx | Mathematical biology in general
| 49 | browse |
| 92Cxx | Physiological, cellular and medical topics
| 59 | browse |
| 92Dxx | Genetics and population dynamics
| 88 | browse |
| 92Exx | Chemistry
| 19 | browse |
| 92F05 | Other natural sciences
| - | |
| 92Gxx | Social and behavioral sciences: methodology
| - | |
| 92Hxx | Mathematical sociology (including anthropology)
| - | |
| 92Jxx | Mathematical psychology
| - | |
| 92Kxx | Other social and behavioral sciences (mathematical treatment)
| - | |