| MSC 1991 | Number of Preprints | |
| 06-XX | Order, lattices, ordered algebraic structures
| 8 | browse |
| 06-00 | General reference works (handbooks, dictionaries, bibliographies, etc.)
| 8 | browse |
| 06-01 | Instructional exposition (textbooks, tutorial papers, etc.)
| 8 | browse |
| 06-02 | Research exposition (monographs, survey articles)
| 8 | browse |
| 06-03 | Historical
| 8 | browse |
| 06-04 | Explicit machine computation and programs (not the theory of computation or programming)
| 8 | browse |
| 06-06 | Proceedings, conferences, collections, etc.
| 8 | browse |
| 06Axx | Ordered sets
| 38 | browse |
| 06Bxx | Lattices
| 26 | browse |
| 06Cxx | Modular lattices, complemented lattices
| 29 | browse |
| 06Dxx | Distributive lattices
| 8 | browse |
| 06Exx | Boolean algebras (Boolean rings)
| 4 | browse |
| 06Fxx | Ordered structures
| 11 | browse |