Traducción al español de A Journey to the Earth's Interior hecha en www.twilightcreatures.com. Puede usarse para fines no comerciales dejando los mensajes de atribución correspondientes.

Scanned at sacred-texts.com, June 2005. Proofed and formatted by John Bruno Hare. This text is in the public domain in the United States because it was published prior to 1923. These files may be used for any non-commercial purpose provided this notice of attribution is left intact in all copies.