1. The relation between handedness and some physical and mental factors.
2. Haefner Ralph. The Educational Significance of Left-handedness. Contributions to Education, No. 360. New York: Bureau of Publications, Teachers College, Columbia University, 1929. Pp. viii + 84.
3. Shall the Left-Handed Child be Transferred?
4. A Study of the Handedness of Some Left-Handed Writers