- kino.ru person/179818
- film.ru person/dzheyms-bedzh-deyl
- riordan.fandom.com wiki/Grover_Underwood
- commons.wikimedia.org wiki/Category:Grover_Dale
- http://pickfilm.ru all/actor/grouver-dejl/
- http://uvuvu.ru video/actor/grouver-dejl/
- http://kinokach.com persony/united-states/181361-grover-…
- kinootziv.com person/grover-dale-181361/