0 Information 196,271 โน๏ธ | 1 Philosophy and Psychology 182,817 ๐ญ | 2 Religion 463,618 ๐๐ฝ | 3 Social Sciences 1,017,722 ๐ซ | 4 Language 130,463 ๐ฌ | 5 Mathematics and Science 322,970 ๐ฌ | 6 Technology 751,858 ๐ก | 7 Arts and Recreation 695,837 ๐จ | 8 Literature 929,792 ๐ | 9 Biography and History 592,368 ๐ฟ |

50 General Science 24,934 ๐ฌ | 51 Mathematics 61,944 โ | 52 Astronomy 17,388 ๐ | 53 Physics 34,172 ๐ | 54 Chemistry 22,053 โ | 55 Earth sciences & geology 28,173 ๐ | 56 Fossils & prehistoric life 6,394 ๐ | 57 Life Sciences 45,977 ๐ | 58 Botany 17,698 ๐ฟ | 59 Zoology 64,237 ๐ผ |

510 General Mathematics 15,018 โ | 511 General Principles 5,344 ๐ | 512 Algebra 7,899 + | 513 Arithmetic 4,632 ๐ข | 514 Trigonometry; topology 1,546 ๐ฉ | 515 Analysis 9,673 ฮฃ | 516 Algebraic geometry 4,709 V | 517 Calculus 900 โซ | 518 Numerical analysis 639 ๐ป | 519 Applied Mathematics, Probabilities 11,584 ๐ |

517.0 Calculus 17 โซ | 517.1 Infinitesimal; Method of exhaustion (Differential and Integral calculus, bound together, is put here) 14 | 517.2 Differential 43 | 517.3 Integral 234 | 517.4 Of variations 15 | 517.5 Of functions 152 | 517.6 Of finite differences 58 | 517.7 Of operations 32 | 517.8 Of imaginaries; Complex variables (See also 512.82) 65 โฎ | 517.9 Problems 17 ? |

517.30 | 517.31 Formulas of reduction and integration | 517.32 Definite integrals; Eulerian integrals 2 | 517.33 Rectification; Quadrature; Cubature 1 | 517.34 Multiple integrals 3 | 517.35 Laplace's functions; Bessel's and allied functions 42 | 517.36 Elliptic and hyperbolic functions; Abelian functions 5 | 517.37 5 | 517.38 Differential and partial differential equations 143 | 517.39 Problems and tables 5 |

517.380 | 517.381 | 517.382 29 | 517.383 31 | 517.384 | 517.385 | 517.386 | 517.387 | 517.388 | 517.389 |