MSC results for "19"
19-00 (1986-now) General reference works (handbooks, dictionaries, bibliographies, etc.)
19-01 (1986-now) Instructional exposition (textbooks, tutorial papers, etc.)
19-02 (1986-now) Research exposition (monographs, survey articles)
19-03 (1986-now) Historical (must also be assigned at least one classification number from Section 01)
19-04 (1986-now) Explicit machine computation and programs (not the theory of computation or programming)
19-06 (1986-now) Proceedings, conferences, collections, etc.
19B (1986-now) Whitehead groups and $K_1$
19C (1986-now) Steinberg groups and $K_2$
19D (1986-now) Higher algebraic $K$-theory
19E (1986-now) $K$-theory in geometry
19J (1991-now) Obstructions from topology
19M (1985-now) Miscellaneous applications of $K$-theory