February 2024: A Y-tree of J-L556 that includes solely the progenitors of all the known WIRTH Rabbinical families, their refined haplogroup and associated surnames is available to members of the group! Furthermore, a document that includes exhaustive biographical information about over 70 of the prominent Rabbis of the group is also available.

Spring 2014: “Y-DNA and Documentary Research Collaboration Reveals Ancestral Origins,” written by  Rachel Unkefer, Janet Billstein Akaha, Richard Gussow, and Elise Friedman on the collaboration between two DNA projects:  The WIRTH Group and the Jews of Frankfurt Group. https://drive.google.com/file/d/1mpoOEJyrPjyReXyU8ruPt0piOGzNUAGK/view?usp=drive_link 

August 2013: At the IAJGS annual conference in Boston in 2013, Richard Gussow, Elise Friedman, Janet Akaha and Rachel Unkefer presented "The “WIRTH” Project: Y-DNA and Documentary Research Collaborate to Find Ancestral Origins".  Dedicated to the memory of Herb Huescher. https://drive.google.com/file/d/1xaAcqf1RXHoAUjYkk_BFvVdwsQ9ohrsQ/view?usp=drive_link

September 2007: “DNA and Jewish Genealogy Join Forces,” written by Herb Huebscher and Elise Friedman on the WIRTH Group. https://drive.google.com/file/d/1Mtc-zKj7BGpyiduyxNsgg8ThLjJFVSKC/view?usp=drive_link