Václav Hlavatý U.S. Library of Congress: The Czechs in America The Czechoslovak Documentation Center: Biographic Index District of Columbia, Department of Consumer and Regulatory Affairs: File Number 783908 (1978).
U.S. Library of Congress: The Czechs in America Československé dokumentační středisko: Heslář biografický District of Columbia, Department of Consumer and Regulatory Affairs: File Number 783908 (1978).