John Skrok’s Path to Citizenship
In 1923, Jan Skrok returned to the United States and declared his intention to become a citizen.
John Skrok, Declaration of Intention, Buffalo, New York, 1923
His arrival was certified in 1930.

Jan Skrok, Certificate of Arrival, New York, New York, 1923 (stamped 1930)
In 1930 he petitioned for citizenship.

Affidavits of Witnesses and Oath of Allegiance for John Skrok, Buffalo, New York, 1930
He became a citizen of the United States 6 Jun 1930.

John Skrok, Certificate of Citizenship, Buffalo, New York, 1930