The YIVO Institute for Jewish Research—preserving the world's largest archive of East European Jewry. Tweets with archival photographs, upcoming events, & news. The YIVO Institute for Jewish Research is dedicated to the preservation and study of the history and culture of East European Jewry worldwide. For nearly a century, YIVO has pioneered new forms of Jewish scholarship, research, education, and cultural expression. Our public programs and exhibitions, as well as online and on-site courses, extend our global outreach and enable us to share our vast resources. The YIVO Archives contains more than 23 million original items and YIVO’s Library has over 400,000 volumes—the single largest resource for such study in the world.