@book{23840,
	author = {Karr, Grant,},
	title = {Dr. W.T. Harris' Lehre von den grundlagen des Lehr-plans dargestellt und beurteilt ...},
	publisher = {B. Engau,},
	year = {1900.},
	address = {Jena,},
	note = {Vita.},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00217617406}
}