ɐ sˈaɪlənt fˈɪlm ɛɡzˈɪsts ʌv hˈɔːɹn, æz dˈuː ɹˈiːsənt ɹˈaɪɾɪŋz ɐbˌaʊt hˌɪm ˈɑːnlaɪn ænd ɐ baɪˈɑːɡɹəfi baɪ tˈɪm kˈuːzənz.
A silent film exists of Horn, as do recent writings about him online  and a biography by Tim Couzens.