He then continued his studies at the Faculty of Humanities and Educational Science at the University of La Plata, from where he graduated with a professor's degree.
He was also assistant to the minister of education, and member of the editorial board of the Biblioteca de Mayo (May's Library) of the Senate.
He was a prolific historian who conceived history from a human perspective through the common life of his historical characters, their traditions and beliefs.
His interpretation of the nation's history adheres to the liberal tradition, viewing the colonial period like an arid and unprogressive era, having in Bernardino Rivadavia his early nineteenth century hero, and viewing Juan Manuel de Rosas as a reactionary, defender of the colonial system who was useful for the British interests.
[1] He stepped into the historical playwright with Mariano Moreno, a play that won the First National Prize of Literature 1957.