Ernst Moritz Arndt
https://datos.bne.es/persona/XX1197256
https://www.europeana.eu/es/collections/person/171344-ernst-moritz-arndt
https://ernie.uva.nl/viewer.p/21/56/object/131-158371
https://www.youtube.com/watch?v=6A6OmVgMZRU
https://dialnet.unirioja.es/servlet/articulo?codigo=2955370
https://en.wikipedia.org/wiki/Ernst_Moritz_Arndt
