"New York, New York City Marriage Records, 1829-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:243B-WJM : accessed 25 December 2015), Peter Piskozub and Joanna Jarosh, 16 Dec 1913; citing Marriage, Manhattan, New York, New York, United States, New York City Municipal Archives, New York; FHL microfilm 1,613,808.