id	keyword
ger-242	holocaust
ger-242	history
ger-242	education
ger-242	students
ger-242	teaching
ger-242	austrian
ger-242	und
ger-242	elementary
ger-242	textbooks
ger-242	der
ger-242	socialism
ger-242	topic
ger-242	secondary
ger-242	wien
ger-242	schools
ger-242	teachers