Ackerberg-Hastings, Amy. 2014. Protractors as Objects of American School Geometry Teaching. *International Journal for the History of Mathematics Education* 9(2): 1–14.

Aley, Robert Judson. 1901, December. Review of *Geometric Exercises in Paper Folding*, edited by W. W. Beman and D. E. Smith. *The Educator-Journal* 2(4): 178.

Allen, Ann Taylor. 1988, Spring. ‘Let Us Live with Our Children’: Kindergarten Movements in Germany and the United States, 1840–1914. *History of Education Quarterly* 28: 23–48.

Anonymous. 1887, January 20. Review of *The Elements of Euclid*, by H. Deighton; *Euclid Revised*, edited by R. C. J. Nixon; *First Lessons in Geometry*, by B. Hanumantha Rau; and *The Origins of Geometry*, by Horace Lamb. *Nature* 35(899): 269–270.

Anonymous. 1888, May 17. Telegraph review of *First Lessons in Geometry*, 2nd ed., by B. Hanumantha Rau. *Nature* 37(968): 53.

Anonymous. 1894, December. Books and Magazines Received. *The Mathematical Gazette* 1(3): 24.

Anonymous. 1896, April 9. Scientific Serials: *Bulletin of the American Mathematical Society*, vol. ii. No. 6 March 1896. *Nature* 53(1380): 549–550.

Anonymous. 1897, November. Book Reviews and Notes [Notice of *Famous Problems of Elementary Geometry*]. *The Open Court* 11(498): 704.

Anonymous. 1898a, January. Book Notices. *Popular Astronomy* 5(9): 503–504.

Anonymous. 1898b, November 17. Review of *Famous Problems of Elementary Geometry*, translated by W. W. Beman and D. E. Smith. *Nature* 59(1516): 52.

Anonymous. 1902a, January. Review of *Geometric Exercises in Paper Folding*, by T. Sundara Row. *Dominicana: A Magazine of Catholic Literature* 3(1): 37–38.

Anonymous. 1902b, February 8. New Books, Etc. *Scientific American* 86(6): 95–97.

Anonymous. 1902c, November. Review of *Geometric Exercises in Paper Folding*, edited by W. W. Beman and D. E. Smith. *Kindergarten Magazine* 15(3): 189.

Anonymous. 1907, March. *The Journal of Education* n. s. 29(3): 184.

Anonymous. 1911, March. The Mathematical Association Roll of Members. *The Mathematical Gazette* 6(91): front matter, 2–36.

Anonymous. 1916, September. Successful School Men: Robert Judson Aley, President of the University of Maine and President Elect of the N. E. A., 1916–1917. *American Education* 20(1): 33–34.

Archibald, Raymond Claire. 1914, October. Remarks on Klein's “Famous Problems of Elementary Geometry”. *The American Mathematical Monthly* 21(8): 247–259.

Beatty, Barbara. 1995. *Preschool Education in America*. New Haven and London: Yale University Press.

Beman, Wooster Woodruff, and David Eugene Smith. 1895. *Plane and Solid Geometry*. Boston: Ginn & Company.

Berger, Meyer. 1958, June 27. About New York: Origami, the Ancient Art of Paper-Folding, Has Gramercy Square Disciple. *New York Times*, 51.

Billingsley, Henry, trans. 1570. *The Elements of Geometrie by the most auncient Philosopher Euclide of Megara*. London: John Daye.

Billington, Mary Frances. 1895. *Woman in India*. London: Chapman and Hall.

Bradley, Michael J. 2006. *Modern Mathematics 1900 to 1950*. New York: Chelsea House Publishers.

Brander, Isabel. 1878, September. The Kindergarten for India. *Journal of the National Indian Association in Aid of Social Progress in India* (93): 357–363.

Brander, Isabel. 1887, February. The Kindergarten in Madras. *The Indian Magazine* (194): 71–74. The article was reprinted in the *Report of the [US] Commissioner of Education*, vol. 2, Washington, DC: Government Printing Office, 1890–1891, 775–776.

Brander, Isabel. 1896. The Kindergarten in the Madras Presidency. *The Indian Magazine and Review* (302): 93–105.

Brander, Isabel. 1899–1900. *Kindergarten Teaching in India. Stories, Object Lessons, Occupations, Songs and Games.** Part I. Infant Standard - Part II. First Standard - Part III. Second Standard.* London, Bombay, Calcutta: Macmillan and Co.

Brock, William H., and Michael Price. 1980, November. Squared Paper in the Nineteenth century: Instrument of Science and Engineering, and Symbol of Reform in Mathematical Education. *Educational Studies in Mathematics* 11(4): 365–381.

Brosterman, Norman. 1997. *Inventing Kindergarten.* New York: Harry N. Abrams.

Brunton, James. 1973, February. The Cube Dissected into Three Yángmǎ. *Mathematical Gazette* 57(399): 66–67.

Campbell, William T. 1899. *Observational Geometry*. New York: American Book Company.

Cajori, Florian. 1910, October. Attempts Made during the Eighteenth and Nineteenth Centuries to Reform the Teaching of Geometry. *The American Mathematical Monthly* 17(10): 181–201.

Cosgrove,Catherine A. 1989. A History of the American Kindergarten Movement from 1860 to 1916. Ed. D. diss., Northern Illinois University.

Cotton, J.S. 1898. *Progress of Education in India 1892–93 to 1896–97*. London: Stationery Office.

Craik, Alex D. D. 2007. *Mr. Hopkins’ Men: Cambridge Reform and British Mathematics in the Nineteenth Century*. London: Springer.

Cromwell, Peter R. 1997. *Polyhedra*. Cambridge: Cambridge University Press.

Dyck, Walther von. 1893, supp. *Katalog mathematischer und mathematisch-physikalischer Modelle, Apparate und Instrumente*. München, 1892, mit einem Nachtrag von 1893.

Finkel, Benjamin Franklin. 1901, October. Review of *Geometric Exercises in Paper Folding*, edited by W. W. Beman and D. E. Smith. *American Mathematical Monthly* 8(10): 212.

Frick, Bertha Margaret. 1936, January. Bibliography of the Critical, Historical and Pedagogical Writings of David Eugene Smith. *Osiris *1: 9–78.

Friedman, Michael. 2016. Two Beginnings of Geometry and Folding: Hermann Wiener and Sundara Row. *BSHM Bulletin: Journal of the British Society for the History of Mathematics* 31(1): 52–68.

Friedman, Michael. 2018. “Falling into disuse”: the rise and fall of Froebelian mathematical folding within British kindergartens. *Paedagogica Historica* 54(5): 564–587.

Froebel, Friedrich. 1903. *Education by Development The Second Part of the Pedagogics of the Kindergarten*. Translated by Josephine Jarvis. New York: Appleton.

Gibb, William. 1990, May. Paper Patterns 2: Solid Shapes from Metric Paper. *Mathematics in School* 19(3): 2–4.

Ginsburg, Jekuthial. 1926, May. Professor Smith’s Literary Activities. *Mathematics** Teacher* 19(5): 306–311.

Hardcastle, Joseph A. 1909–1910. Aberration at the Pole of the Ecliptic.* Journal of the British Astronomical Association* 20(8): 443–447.

Hull, Thomas C. 2011, April. Solving Cubics With Creases: The Work of Beloch and Lill. *American Mathematical Monthly* 118(4): 307–315.

Johnson, Donovan A. 1957. *Paper Folding for the Mathematics Class*. Washington, D.C.: National Council of Teachers of Mathematics. The book reached its 14th printing in 1999.

Kallop, Edward. 1959. *Plane Geometry & Fancy Figures: An Exhibition of the Art & Technique of Paper Folding*. New York: Cooper Union Museum for the Arts of Decoration.

Kidwell, Peggy Aldrich. 1996. American Mathematics Viewed Objectively: The Case of Geometric Models. In *Vita Mathematica*, edited by Ronald Calinger, 197–208. Washington, D.C.: Mathematical Association of America.

Klein, Felix. 1895. *Vorträge űber Ausgewählte Fragen den Elementargeometrie*. Leipzig: B. G. Teubner.

Klein, Felix. 1897. *Famous Problems of Elementary Geometry*. Translated by Wooster Woodruff Beman and David Eugene Smith. Boston: Ginn and Company.

Knorr, Wilbur Richard. 1993. *The Ancient Tradition of Geometrical Problems.* 2nd ed. New York: Dover Publishers, Inc.

Langley, Edward M. 1894, December 20. Geometry in Schools. *Nature* 51(1312): 176–177.

Langley, Edward M. 1902, October. Review of *Geometric Exercises in Paper Folding, *edited by W. W. Beman and D. E. Smith. *Mathematical Gazette* 2(35): 209.

Langley, Edward M. 1904, June. Common Room Papers: Unconventional Lessons in Mathematics – II. Geometrical Progression. *School: A Monthly Record of Educational Thought and Progress* 1: 280-284.

Lister, David. 2009. Martin Gardner and Paperfolding [*sic*]. In *Mathematical Wizardry for a Gardner*, edited by Ed Oegg, Jr., Alan Schoen, and Tim Rodgers. Wellesley, MA: A.K. Peters, 2009.

Litchfield, Norma M. 1892. *How to Teach **Paper-folding and Cutting: A Practical Manual-training Aid*. Lebanon, Ohio: March Brothers.

Lotka, Alfred J. 1907, October. Construction of Conic Sections by Paper-folding. *School Science and Mathematics *7(7): 595–597. This article was republished in *Scientific American Supplement* 73(1885), February 17, 1912.

Markowsky, George. 1991, March. Making a Golden Rectangle by Paper Folding. *Mathematical Gazette* 75(471): 85–87.

Martin, George E. 1998. *Geometric Constructions*. Berlin: Springer-Verlag.

May, Helen, Baljit Kaur, and Larry Prochner. 2014. *Empire, Education, and Indigenous Childhoods: Nineteenth-Century Missionary Infant Schools in Three British Colonies, *Farnham, England: Ashgate.

Miall, Louis C. 1897. *Thirty Years of Teaching*. London: Macmillan.

Miura, R. M. et al. 2007, April. Obituaries: Martin D. Kruskal. *SIAM News* 40(3).

Mueller, Lothar. 2014. *White Magic: The Age of Paper*. Translated by Jessica Spengler. Cambridge, UK, and Malden, MA: Polity Press.

Nevill, Cecily. 1996, September. Folded Polyhedra. *Mathematics in School* 25(4): 33–44.

Pope, G. U. 1888, August. Review of *First Lessons in Geometry*, 2nd ed., by Hanumanta Rau. *The India Magazine* (212): 427.

Price, Michael. 1994. *Mathematics for the Multitude: A History of the Mathematical Association*. London: The Mathematical Association.

Pritchard, Chris, ed. 2003. *The Changing Shape of Geometry: Celebrating a Century of Geometry and Geometry Teaching.* Cambridge: Cambridge University Press.

Rau, B. Hanumanta. 1888. *First Lessons in Geometry. For the Use of Technical, Middle, and High Schools*. 2nd ed. Vepery: Printed at the Society for the Propagation of Christian Knowledge Press.

Richards, Joan L. 1988. *Mathematical Visions: The Pursuit of Geometry in Victorian England.* Boston: Academic Press, Inc..

Roberts, David L. 2012. *American Mathematicians as Educators, 1893–1923: Historical Roots of the “Math Wars”*. Boston: Docent Press.

Roberts, Shirley. 2005. *Sophia Jex-Blake: A Woman Pioneer in Nineteenth Century Medical Reform*. Routledge.

Ronge, Johann and Bertha. 1858. *A Practical Guide to the English Kinder-garten*, London: Hodson & Son.

Rao, T. Sundara. 1923–1924. Exercises with a Ribbon of Paper. *Educational Review*: 485–486, 606 (1923 volume); 33, 266, 310, 377 (1924 volume).

Rao, T. Sundara. 1925a. The Cubic Equation. *Educational Review*: 192–193.

Rao, T. Sundara. 1925b. The Elliptic Compass. *Educational Review:* 370–371, 467–468, 549–551.

Row, T. Gopala. 1875. In *Report on Public Instruction in the Madras Presidency for 1873–74*, 110–111. Madras: Government Press.

Row, T. Sundara. 1893. *Geometrical** Exercises in Paper Folding. *Madras: Addison & Co.

Row, T. Sundara. 1901. *Geometric Exercises in Paper Folding*. Edited by W. W. Beman and D. E. Smith. Chicago: Open Court Publishing Company. Reprinted: 1917; New York: Dover, 1966.

Scott, Charlotte Angas. 1896, March. The Three Great Problems of Antiquity Considered in the Light of Modern Mathematical Research. *Bulletin of the American Mathematical Society* 2(6): 157–164.

Scott, Charlotte Angas. 1898, January. Review of *Famous Problems of Elementary Geometry*, translated by W. W. Beman and D. E. Smith. *Bulletin of the American Mathematical Society* 4(4): 167–168.

Smith, David Eugene. 1895, November. Review of *Vorträge űber Ausgewählte Frägen den Elementargeometrie*, by Felix Klein. *The School Review* 3(9): 571–572.

Smith, David Eugene. 1860–1945. David Eugene Smith Professional Papers. Rare Book and Manuscript Library, Columbia University, New York, New York.

Snyder, Virgil. 1902, February. Review of *Geometric Exercises in Paper Folding*, edited by W. W. Beman and D. E. Smith. *Journal of Physical Chemistry* 6(2): 145.

Speer, William W. 1888.* Form Lessons, to Prepare for and to Accompany the Study of Number*. Chicago: Donohue and Henneberry.

Todhunter, Isaac. 1862. *The Elements of Euclid for the Use of Schools and Colleges*. Cambridge: Macmillan.

W. [possibly J. H. Warder, Secretary and Librarian of the Western Society of Engineers]. 1901, December. Review of *Geometric Exercises in Paper Folding*, edited by W. W. Beman and D. E. Smith. *Journal of the Western Society of Engineers* 6(6):594.

Willson, F. N. 1902, March 21. Review of *Geometric Exercises in Paper Folding*, edited by W. W. Beman and D. E. Smith. *Science*, n.s. 15(377): 464–465.

Wilson, James Maurice. 1868. *Elementary Geometry*. 2 vol. London and Cambridge: Macmillan and Co.

Young, Grace Chisholm, and William Henry Young. 1905. *The First Book of Geometry.* London: J. M. Dent & Co.