@book{31920,
	author = {Yitsḥaḳ, and Holocaust-Era Judaic Heritage Library (Library of Congress. Hebraic Section)},
	title = {Toldot Yitsḥaḳ :},
	publisher = {[Bi-defus N. Shrifṭgiser],},
	year = {1868.},
	address = {Warsaw :}
}