Otto Färber

https://www.ancestry.com/imageviewer/collections/2280/images/47294_302022005557_0662-00338

"New York, Southern District, U.S District Court Naturalization Records, 1824-1946," database with images, FamilySearch (https://familysearch.org/ark:/61903/3:1:3QS7-99HD-R3MZ?cc=2060123&wc=M5PD-PTR%3A351612801 : 14 August 2019), Petitions for naturalization and petition evidence 1945 box 1002, no 508551-508850 > image 936 of 1163; citing NARA microfilm publication M1972, Southern District of New York Petitions for Naturalization, 1897-1944. Records of District Courts of the United States, 1685 - 2009, RG 21. National Archives at New York.

"New York, Southern District, U.S District Court Naturalization Records, 1824-1946", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QP7X-S7WY : 8 March 2021), Henry or Heinrich Farber or Faerber, 1940.

"Österreich, Niederösterreich, Wien, Matriken der Israelitischen Kultusgemeinde, 1784-1911," database with images, FamilySearch (https://familysearch.org/ark:/61903/3:1:33SQ-GB2Q-VFG?cc=2028320&wc=4692-DNP%3A344266801%2C344618001%2C345098701 : 17 September 2019), Wien (alle Bezirke) > Geburtsanzeigen > Geburtsanzeigen 1900 Nr. 0230-0732 (Jan.-März) > image 704 of 1259; Israelitischen Kultusgemeinde Wien (Jewish Community of Vienna) Municipal and Provinical Archives of Vienna, Austria.