Boyd, W.(1914). From Locke to Montessori : a critical account of the Montessori point of view. Harrap.

Heinemann, (1912). The Montessori method : scientific pedagogy as applied to child education...Montessori, Maria, 1870-1952.

Kramer, R. (1978)M: a biography.Blackwell

Rambusch, N. M.( 1962/3). Approach to Montessori. Helicon. Includes 'a Montessori bibliography of materials in the English language, 1909-1961' / compiled by g.e. donahue.

Standing, E M. (1984). Maria Montessori : her life & work. New American Library

The Montessori method. Montessori, Maria, 1870-1952. Schocken Books, 1964

Pollard, Michael. (1990). Maria Montessori : the Italian doctor who revolutionized the education systems of the world. Exley

Kramer, Rita. (1978). Maria Montessori : a biography. Blackwell

Gettman, David. ( 1987).Basic Montessori : learning activities for under-fives. Christopher Helm

Vermilion, (1992). Montessori play & learn : a parents' guide to purposeful play from two to six.

Meyer, Judith Wangerin. (1975). Diffusion of an American Montessori education. Chicago, University of Chicago, Dept. of Geography, Series/vol.University of Chicago. no. 160.

Lillard, Paula Polk. (1996). Montessori today : a comprehensive approach to education from birth to adulthood. New York : Schocken Books, Notes Includes bibliographical references (p. 197-198) and index.

Shephard, Marie Tennent. ( 1996). Maria Montessori : teacher of teachers / Marie Tennent Shephard. Minneapolis : Lerner Publications Co.

 The California lectures of Maria Montessori : collected speeches and writings / Maria Montessori ; edited by Robert G. Buckenmeyer. Montessori, Maria, 1870-1952. Oxford : Clio Press, c1997. Series/vol.The Clio Montessori series ; vol. 15

Montessori in the classroom : a teacher's account of how children really learn / Paula Polk Lillard ; foreword by Jerome Bruner ; with a new introduction by the author. Lillard, Paula Polk. Edition Rev. ed. New York : Schocken Books, c1997.

Lawrence, Lynne. 1998). Montessori read and write : a parent's guide to literacy for children. London : Ebury
From this you will gather that she was an Italian doctor, dates 1870-1952, possibly the first woman to qualify in medicine in Italy, and her work was mostly concerned with early childhood education. You will probably find some books about her method in your college library. An internet search on the name montessori will also yield helpful results.