- 24smi.org movie/cast/film/49187-zhizn-drugikh/
- ru.wikipedia.org Хартманн, Эрих АльфредBulunamadı: хубертус
- rationalwiki.org wiki/Butch_HartmanElmer Earl "Butch" "I created your childhood" Hartman IV (1965–) is a washed-up cartoonist who used to work for Nickelodeon.Bulunamadı: хубертус
- artstation.com steffenhartmann
- murderpedia.org female.H/h/hartmann-debra.htm
- facebook.com realhartman/