Public information, by definition, is not private.
SZTERNFELD, CHASKIEL was born 10 May 1918, received Social Security number 090-30-5125 (indicating New York) and, Death Master File says, died 19 August 1999
Source: Death Master File (public domain). Check
Archives.com
for CHASKIEL SZTERNFELD. [$]
SZTERNFELD, JOSEF was born 9 August 1888, received Social Security number 068-42-6036 (indicating New York) and, Death Master File says, died October 1975
Source: Death Master File (public domain). Check
Archives.com
for JOSEF SZTERNFELD. [$]
Szternfeld, Mr. was murdered in the Treblinka extermination camp during the Shoah. Some material has been omitted here, (even though facts are not subject to copyright in the U.S.A.), to motivate you to visit the source page, where you might find useful notes and perhaps a photograph of this person. This entry is only a finding aid to help you discover that site, which has its own search facility but does not present the information in sentence form on open pages, where the search engines can find and index it. As a genealogist you know you must visit that site to document your source. This finding aid is no source.
Check the
Source file [free] and Archives.com
for Mr. Szternfeld. [$]
Check all your genealogy names on SortedByName.com and Sorted By Date.com. Bookmark the site.