Alberto Caeiro
... that the poet Fernando Pessoa considered Alberto Caeiro, one of his own heteronyms, to be his master?
... that the poet <a href="./Fernando_Pessoa" id="mwAzs" rel="mw:WikiLink" title="Fernando Pessoa">Fernando Pessoa</a> considered <b id="mwAzw"><a href="./Alberto_Caeiro" id="mwAz0" rel="mw:WikiLink" title="Alberto Caeiro">Alberto Caeiro</a></b>, one of his own <a href="./Heteronym_(literature)" id="mwAz4" rel="mw:WikiLink" title="Heteronym (literature)">heteronyms</a>, to be his master?