00-01 Instructional exposition (textbooks, tutorial papers, etc.)

00-02 Research exposition (monographs, survey articles)

00Axx General and miscellaneous specific topics

00A06 Mathematics for nonmathematicians (engineering, social sciences, etc.)

00A08 Recreational mathematics [See also <a href="#code:97A20">97A20</a>]

00A20 Dictionaries and other general reference works

00A30 Philosophy of mathematics [See also <a href="#code:03A05">03A05</a>]

00A35 Methodology of mathematics, didactics [See also <a href="#code:97Cxx">97Cxx</a>, <a href="#code:97Dxx">97Dxx</a>]

00A66 Mathematics and visual arts, visualization

00A69 General applied mathematics {For physics, see <a href="#code:00A79">00A79</a> and Sections 70 through 86}

00A79 Physics (use more specific entries from Sections 70 through 86 when possible)

00Bxx Conference proceedings and collections of papers

00B05 Collections of abstracts of lectures

00B10 Collections of articles of general interest

00B15 Collections of articles of miscellaneous specific content

00B20 Proceedings of conferences of general interest

00B25 Proceedings of conferences of miscellaneous specific interest

00B55 Miscellaneous volumes of translations

00B60 Collections of reprinted articles [See also <a href="#code:01A75">01A75</a>]

00B99 None of the above, but in this section

01-XX History and biography [See also the classification number –03 in the other sections]

01-00 General reference works (handbooks, dictionaries, bibliographies, etc.)

01-01 Instructional exposition (textbooks, tutorial papers, etc.)

01-02 Research exposition (monographs, survey articles)

01-06 Proceedings, conferences, collections, etc.

01Axx History of mathematics and mathematicians

01A12 Indigenous cultures of the Americas

01A13 Other indigenous cultures (non-European)

01A15 Indigenous European cultures (pre-Greek, etc.)

01A40 15th and 16th centuries, Renaissance

01A70 Biographies, obituaries, personalia, bibliographies

01A75 Collected or selected works; reprintings or translations of classics [See also <a href="#code:00B60">00B60</a>]