- twitter.com JEFFHARDYBRAND
- en.wikipedia.org Jeff Halpern
- glee.fandom.com wiki/Jeff
- kinozal.tv persons.php?s=Джефф Хэрлан
- Hi-Fi.ru kino/persons/dzheff-kherlan/
- kino.mail.ru person/594815_jeff_harlan/
- eliteprospects.com player/8776/jeff-halpern
- twitch.tv jeffleach
- weburg.net persons/176764