hˈɔːɹnɚ tɹˈævəld tə mˈɑːskoʊ ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi wˈʌn tʊ ɐpˈiːl ɐɡˈɛnst hɪz pɹəpˈoʊzd ɛkspˈʌlʃən bᵻfˌoːɹ ɐ kˈɑːmɪntɚn kəmˈɪʃən.
Horner travelled to Moscow in 1931 to appeal against his proposed expulsion before a Comintern commission.