The Yiddish Book Center's
Steven Spielberg Digital Yiddish Library
More than 11,000 Yiddish titles available to read online or download free of charge
This edition was published in 1950 by Yidisher Ṿisenshafṭlekher Insṭiṭuṭ in Nyu-Yorḳ. It was digitized and added to the library in January 2009.
Published in Yiddish, 1002 pages.