ARTISTIC AGENT:
will be announced soon

ARTS & CULTURE:
www.arts&culture.com

CASA BEETHOVEN PUBLICACIONS:
www.casabeethoven.com

EDITORIAL QUIROGA
www.edquiroga.es

EDITORIAL BOILEAU:
www.boileau-music.com

ESTRUCH  GUITARS:
www.luthiers.es

GHS STRINGS:
www.ghsstrings.com

LACIA-Learning:
www.lacia-learning.com

MEL BAY PUBLICATIONS:
www.melbay.com

U.S. HOUSE OF REPRESENTATIVES:
www.GOVINFO. Government_Publishing_Office_Tribute_to_Francesc_de_Paula_Soler

ESADE's Library:
K 19-III-79.1 https://www.esade.edu/biblioteca-borja/ca

BIBLIOTECA NACIONAL DE ESPAÑA:
https://datos.bne.es/autor/XX1043182.html

LIBRARY OF CONGRESS OF U.S.:
https://blogs.loc.gov/international-collections/2016/09/national-hispanic-heritage-month-at-the-library-of-congress/