https://fernandosor.es/tag/opus-22/
https://fernandosor.es/una-grande-sonata-para-guitarra-de-d-fernando-sor-dedicada-al-serenisimo-senor-generalisimo-almirante-anuncio-en-el-diario-de-madrid-del-19-de-junio-de-1807/
https://fernandosor.es/una-grande-sonata-para-guitarra-de-sor-dedicada-al-referido-sermo-sr-generalisimo-almirante-anuncio-en-la-gaceta-de-madrid-del-5-de-junio-de-1807/
http://bibliotecadelaguitarra.com - Lars Rosvoll - FERNANDO SOR’S EVOLUTION AS A PERFORMER AND COMPOSER AS REFLECTED IN THE REVISIONS OF THE GRANDE SONATE, OP. 22
http://www.allmusic.com/composition/sonata-for-guitar-in-c-major-grande-sonate-op-22-mc0002378199
http://www.prestoclassical.co.uk/r/Naxos/8553340
http://www.guitarrapetrer.com/es/2014/Evento/Ver/86
http://imslp.org/wiki/Grande_Sonate,_Op.22_%28Sor,_Fernando%29
https://musopen.org/es/sheetmusic/15347/fernando-sor/grande-sonate-op22/
