Marie Litzinger (1899-1952) was a graduate of Bryn Mawr College class of 1920. While at Bryn Mawr, Litzinger received a European travel fellowship which allowed her to study at the University of Rome in 1923 and 1924. She earned a Master of Arts degree from Bryn Mawr in 1924. She began teaching mathematics at Mount Holyoke College in 1925, and simultaneously pursued doctoral studies at the University of Chicago, receiving her Ph.D. in 1934. In 1937, she became Chairman of the Department of Mathematics at Mt. Holyoke College, where she continued to teach until her death in 1952. This collection consists primarily of Litzinger’s letters to her parents and sisters during her years as an undergraduate at Bryn Mawr College through her time studying in Rome.