1 "Fișier:Progress_of_education_in_the_century_(IA_progressofeducat00hughiala).pdf".

Fișier:Progress of education in the century (IA progressofeducat00hughiala).pdf

recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Progress_of_education_in_the_century_(IA_progressofeducat00hughiala).pdf...

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