![Roberto Busa's progress report on his concordance. The roughly 200 page report was published in both Italian and English Roberto Busa's progress report on his concordance. The roughly 200 page report was published in both Italian and English](//historyofinformation.com/images/Busa_specimina_cover.jpeg)
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Roberto Busa's 1951 progress report on his concordance. The roughly 200 page report was published in both Italian and English. Its subtitle read, "A first example of word index automatically compiled and printed by IBM punched card machines."