**Mathematics** is the study of quantity, structure, space, and change. Works held here relate to mathematics, mathematicians, and the specific forms of the field, such as algebra, calculus, geometry, and so forth.

**Examples:** *An Essay on Quantity* (Thomas Reid, 1748), *Early Hindoo Mathematics* (Edward Singleton Holden, 1873), *The Origin and Curiosities of the Arabic Numerals* (D. V. T. Qua, 1877), *Squaring the circle* (Srinivasa Ramanujan, 1913).

**Child portals:** Apache Software Foundation • International Congress of Mathematicians