1200  General reference works (handbooks, dictionaries, bibliographies, etc.)


1201  Instructional exposition (textbooks, tutorial papers, etc.)


1202  Research exposition (monographs, survey articles)


1203  Historical (must also be assigned at least one classification number from Section 01)


1204  Explicit machine computation and programs (not the theory of computation or programming)


1206  Proceedings, conferences, collections, etc.



12Dxx  Real and complex fields

12Exx  General field theory

12Fxx  Field extensions

12Gxx  Homological methods (field theory)

12Hxx  Differential and difference algebra

12Jxx  Topological fields

12Kxx  Generalizations of fields

12Lxx  Connections with logic

12Y05  Computational aspects of field theory and polynomials

