He travelled to Germany, passing through Paris, and there came in contact with the poetry of Heinrich Heine as well as Friedrich Schubert, Felix Mendelssohn and Robert Schumann.

Recurring themes are a search for solitude in which to flee from a hostile world, the struggle between rich and poor, the passage of time, existentialism, and love.

When Bécquer died, Ferrán worked on the posthumous edition of his Obras (1871) alongside Rodríguez Correa and Narciso Campillo.

Juan Ramón Jiménez often recited his favorite poem from this book, reproduced below: In 1872 or 1873 he emigrated to Chile where he supposedly married (according to Nombela).

His verse is closely related to spoken language, and his sparse words are directed toward a variety of intimate and openly sentimental content that is bettered by being brief and confident.

Concerning the legends, "Una inspiración alemana" (A German Inspiration) describes the successive unrequited love affairs of a poet who withdraws into his own memory and commits suicide.

"El puñal" recounts the mythical foundation of the Veruela monastery, and in "La fuente de Montal" a fountain miraculously helps solve a crime.