14-00 General reference works (handbooks, dictionaries, bibliographies, etc.)
14-01 Instructional exposition (textbooks, tutorial papers, etc.)
14-02 Research exposition (monographs, survey articles)
14-03 Historical (must also be assigned at least one classification number from Section 01)
14-04 Explicit machine computation and programs (not the theory of computation or programming)
14-06 Proceedings, conferences, collections, etc.
14Axx Foundations
14Bxx Local theory
14Cxx Cycles and subschemes
14Dxx Families, fibrations
14Exx Birational geometry
14Fxx (Co)homology theory [See also 13Dxx]
14Gxx Arithmetic problems. Diophantine geometry [See also 11Dxx, 11Gxx]
14Hxx Curves
14Jxx Surfaces and higher-dimensional varieties {For analytic theory, see 32Jxx}
14Kxx Abelian varieties and schemes
14Lxx Algebraic groups {For linear algebraic groups, see 20Gxx; for Lie algebras, see 17B45}
14Mxx Special varieties
14Nxx Projective and enumerative geometry [See also 51-XX]
14Pxx Real algebraic and real analytic geometry
14Qxx Computational aspects in algebraic geometry [See also 12Y05, 13Pxx, 68W30]
14Rxx Affine geometry