@book{21299,
	author = {Minnesota. and Berning, Theodore J.,},
	title = {A study of unemployed elementary teachers in Minnesota, 1932.},
	publisher = {Louis F. Dow co. ,},
	year = {1932.},
	address = {St. Paul :},
	note = {"The study has been made by T. J. Berning, statistician." [Foreword].}
}