Recursos en la Xarxa
Links per cercar informació:
https://www.mataplanarural.com/castell-de-mataplana-el-castell-del-comte-arnau-a-gombren/
https://www.femturisme.cat/ca/rutes/la-llegenda-del-comte-arnau
https://destil.comunicaunamica.cat/ca/el-castell-de-mataplana
http://www.historiadelajedrezespanol.es/articulos/melchor/02.htm
https://ripollesturisme.cat/romanic/museu-del-comte-arnau-a-gombren/
http://www.elripolles.com/que-vols-coneixer/territori-els-pobles/el-baix-ripolles/gombren/24.html
https://www.ara.cat/cultura/columna-grega-desenterrada-al-ripolles_1_2658260.html#_=_
http://mitologiacatalans.blogspot.com/2017/04/el-comte-arnau.html
https://www.catalunyamedieval.es/castell-de-mataplana-gombren-ripolles/
https://www.giromus.cat/02_catala/09_llocs_interes_ca/ripolles/gombren_mataplana_ca.html
https://otgercatalo.com/baronias-de-la-fama/hug-de-mataplana
https://padlet.com/canetda/recursosmonedatmitjana