| MSC 1991 | Number of Preprints | |
| 42-XX | Fourier analysis
| - | |
| 42-00 | General reference works (handbooks, dictionaries, bibliographies, etc.)
| - | |
| 42-01 | Instructional exposition (textbooks, tutorial papers, etc.)
| - | |
| 42-02 | Research exposition (monographs, survey articles)
| - | |
| 42-03 | Historical
| - | |
| 42-04 | Explicit machine computation and programs (not the theory of computation or programming)
| - | |
| 42-06 | Proceedings, conferences, collections, etc.
| - | |
| 42Axx | Fourier analysis in one variable
| 47 | browse |
| 42Bxx | Fourier analysis in several variables
| 27 | browse |
| 42Cxx | Nontrigonometric Fourier analysis
| 58 | browse |