| Jan Zolkowski’s Immigration Manifest 26.02.1908 Ellis Island |
| Hendrika Plaza’s Immigration Manifest 03.03.1908 Ellis Island |
| Joseph Plaza ok. 1909 Kolorado |
| South Fork Plat Book 1910 ÷ 1920 South Fork |
| Mike&John Plaza’s 1910 U.S. Census 23.04.1910 Rockvale |
| Henrietta Plaza’s 1920 U.S. Census 03.02.1920 Rockvale |
| Mike Plaza’s 1920 U.S. Census 05.02.1920 South Fork |
| Frank Plaza’s 1930 U.S. Census 10.04.1930 Wisconsin |
| Four generations: Krings-Plaza-Pipala-Kopec ok. __.12.1956 |
| Bob with aunts ok. __.12.1956 |
| Kopciowie 25.08.2005 Huta Komorowska |
| Margie Plaza has served as Hawkins organist for 61 years 27.07.2006 Hawkins |
| List z załączonym zbiorem kopii dokumentów 04.01.2007 |
| Family of Henrietta and Michael Plaza — first drafts 12.01.2007 |
| Henrietta Plaza’s Grave (MR16359) __.06.2007 »» __.12.2007 |
| Mike Plaza’s Grave (MR16358) __.06.2007 »» __.12.2007 |
| John Plaza’s Grave, John Plaza, śmierć 1933.12.08 Stany Zjednoczone Ameryki John Plaza [rodzice: Jędrzej, Marianna], … (MR16357) __.06.2007 »» __.12.2007 |
| Ludwig&Helen Boron’s Grave 24.07.2014 |
| Francis Michael Plaza’s Obituary 05.02.2017 |