hiː bɪɡˈæn tə kəntɹˈɪbjuːt tə ðɪ ˈænɑːɹkˌɪst dʒˈɜːnəlz ðə bwˈeɪnɑːs ˈaɪɹɪz pɹˈoʊtɛst ænd ðə bˈæɾəl ʌv sˌæntɪˈɑːɡoʊ, wˌɛɹ hiː ɹˈoʊt ˈɑːɹɾɪkəlz ɐbˌaʊt pˈɑːlətˌɪks, ˌɛdʒuːkˈeɪʃən, ænd səsˈaɪəɾi fɚðə wˈʌnhˈʌndɹɪdjˈɪɹ ˌænɪvˈɜːsɚɹi ʌvðə ɹᵻtˈɜːn tə tʃˈɪli, ɪn tˈuː θˈaʊzənd twˈɛlv, hˈoːɹheɪ ɡˈɛɹə, ðə pɹˈɛzɪdənt ʌvðə mænwˈɛl ɹˈoʊhɑːs faʊndˈeɪʃən, kəmpˈaɪld ðə tˈɛksts fɹʌmðə tʃɪlˈiːən dʒˈɜːnəlz ænd sˈaɪnd ðˌɛm ɐ fjˈuː tˈaɪmz wɪð hɪz nˈeɪm.
He began to contribute to the anarchist journals The Buenos Aires Protest and The Battle of Santiago, where he wrote articles about politics, education, and society (for the 100-year anniversary of the return to Chile, in 2012, Jorge Guerra, the president of the Manuel Rojas Foundation, compiled the texts from the Chilean journals and signed them a few times with his name.