id	keyword
ger-581	froebel
ger-581	education
ger-581	children
ger-581	early
ger-581	childhood
ger-581	play
ger-581	american
ger-581	school
ger-581	dewey
ger-581	states
ger-581	director
ger-581	germ
ger-581	curriculum
ger-581	united
ger-581	practice
ger-581	learning