"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MJ2Q-Z11 : accessed 2 October 2015), Constance Bozrdolopsky in household of Charley Bozrdolopsky, Dannemora, Clinton, New York, United States; citing sheet 15A, family 268, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,821,094.
Anna may be 2nd wife. Age is about 10 short of Antonia in 1920.
Charles Boyedlowski Head M 54 Poland
Anna Boyedlowski Wife F 47 Poland
John Boyedlowski Son M 24 New York
Helen Boyedlowski Daughter F 20 New York
Peter Boyedlowski Son M 19 New York
Anna Boyedlowski Jr. Daughter F 16 New York
Anthony Boyedlowski Son M 13 New York
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KQMR-CDM : accessed 14 October 2016), Charley Bozedlowski, Dannemora Town, Clinton, New York, United States; citing enumeration district (ED) 10-21, sheet 20A, family 290, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 2516.