The American Jewish Year Book, Vol. 9, DIRECTORY OF NATIONAL AND LOCAL ORGANIZATIONS IN THE UNITED STATES (September 9, 1907, to September 25, 1908 / 5668), pp. 501-502 (2 pages) ...

(JTA) — Hundreds of synagogues and Jewish institutions across the United States received bomb threats by email this weekend, in a substantial acceleration of a months-long spree of hoax threats.

“This highlights the need for all of us to be aware and vigilant and most importantly to keep the individuals in the synagogue in our thoughts and prayers and hope for a peaceful resolution ...