Encyclopedia of family education and training.Issue XXVIII.Child care

Encyclopedia of family education and training.Issue XXVIII.Caring for the eyes of a child.- St. Petersburg: Printing house M.M.Stasyulevich, 1901. -Appendix No. 1 to the additional agreement No. 2 of November 17, 2022 to the cooperation agreement of April 28, 2022.Electronic copy source: PB