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Fájl:1845 08 28 Scientific American - Cover page Scientific American, first edition.jpg

0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Cover page Scientific American, first edition, 28.08.1845 determination method or standard: SHA-1...

Fájl:Year book of the New York Institute for the Education of the Blind 1921.pdf

Education of the Blind 1921 Date 1921 Source https://www.google.com/books/edition/Year_book_of_the_New_York_Institute_for/hZohAQAAIAAJ?hl=en&gbpv=0 Author...

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