sentences:  In 1918, the foundling house-related establishments were reorganized into the Pre-school Education Institute and Social Education Institute.These were the first higher education facilities in Russia that specialized in pre-school and primary school education and defectology.In the period between 1922 and 1925, the first, second, and third Pedagogical Universities, the Pre-school education Institute, the Social Education Institute, and the Psychoneurological Institute were merged.