open book
Schlüsselwörter
book,
bookshop,
collection,
datum,
dictionary,
document,
education,
educational,
cyclopaedia,
hardcover,
information,
intellectual,
cognition,
large,
learn,
library,
literature,
object,
old,
open,
page,
paper,
publication,
read,
research,
school,
science,
study,
teaching,
text,
textbook,
university,
wisdom,
archive,
concept
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