May Justus attended summer courses in 1923, 1929, 1930, 1934, and 1938. She completed UT correspondence courses in 1929, 1930, 1934, 1935, and 1936. She was also enrolled in courses during the spring term for teachers in 1935. She was the author of 65 books for children and others. Five of her books published in the 1940s and 1950s were selections of the Literary Guild. Her papers and manuscripts are in the UT Special Collections Library.