Ryo Yoshii. Maximilian P. E. Groszmann’s alternative approach to the classification of “atypical” children in the early twentieth-century United States. Paedagogica Historica: International Journal of the History of Education. 2023. 59. 6. 1016-1034
Ryo Yoshii. Classification of children with learning problems and the establishment of special classes in Delaware from the 1930s to the mid-1940s. Paedagogica Historica: International Journal of the History of Education. 2019. 53. 3. 353-370
M. P. E. Groszmann and Residential School for Atypical Children (Spatial Considerations of Ability and Special Education in the 20th Century)
(History of Education Society 59th Annual Meeting 2019)