He then moved to the city of Buenos Aires where he worked as an editor at the newspaper La Nación.
His diaries of travel and impressions gave rise to his novels: La Australia Argentina (Excursión periodística a las costas patagónicas) (Southern Argentina – a Journalist’s Excursion to the Shores of Patagonia); Tierra del Fuego e Islas de los Estados (The Land of Fire and Islands of the States); and En las tierras del Inti (In the Lands of the Inti).
He participated fervently in meetings with other socialist writers including Leopoldo Lugones, José Ingenieros and Ernesto de la Cárcova.
He utilized typical people and related common situations, showing the lives of the Italian immigrants ('the feisty creoles').
He also wrote historical novels such as El falso Inca, una serie de cuentos publicados bajo el nombre de Pago Chico (The False Inca, a series of accounts published under the name of Pago Chico).