book stack illustration library knowledge education study
Schlüsselwörter
book,
library,
cognition,
read,
study,
learn,
academic,
literature,
textbook,
education,
school,
shelf,
collection,
research,
reference,
wisdom,
subject,
course,
class,
student,
teacher,
campus,
lesson,
publish,
novel,
science,
history,
language,
culture
Deutsch
