Kułan, Bartosz. 2020. „The Junior Republic of William Reuben George (1866–1936) As an Example of Work With Socially Maladjusted Young People in the United States”. Interdyscyplinarne Konteksty Pedagogiki Specjalnej, nr 31 (grudzień):339–359. https://doi.org/10.14746/ikps.2020.31.16.