Biographical/Bibliographical,
Personal documents and passports (American and Polish),
Biographical/Bibliographical,
Professional honors and activities,
Biographical/Bibliographical,
Personal souvenirs, including journal,
Biographical/Bibliographical,
Letters concerning Tarski's application for a permanent visa,
Biographical/Bibliographical,
Group photograph (and related documents) of attendees at 1929 mathematics conference in Warsaw and 1935 photograph of Tarski
with Kurt Godel in Vienna,