• JOSEPH BOLGAR Obituary and Online Memorial (2008) - Legacy.com
• Who is Irina Bolgar and what are her accusations agaisnt Telegram's Pavel Durov? - MSN
• Who is Irina Bolgar and what are her accusations agaisnt Telegram's Pavel Durov? - The Times of India
• Bolgar Jackson leaves Danone Ventures after eight years - - Global Corporate Venturing
• Holocaust survivor Ted Bolgar celebrates his 100th birthday - The Suburban Newspaper