Where can you find the autobiography of jm sanz lajara?

I don't know if you can find an autobiography but, I got a description from his son. Sanz Lajara is really Jose Mariano a Dominican Writer and Diplomat who lived from 1917 to 1963. His most famous work is Hormiguitas which is a short story. His son is a waiter at a restaurant "Gran Parilla Del Plata" on 594 Brazil, Buenos Aires, Argentina.