- Author: Elena Romero Vargas
- Language: Spanish
- Year: 2018
- Author: Felipe Portocarrero Arlette Beltrán Elena Romero
- Language: Spanish
- Year: 1992
- Author: Felipe Portocarrero Elena Romero
- Language: Spanish
- Year: 1994
- Author: Inigo Garcia-Rodriguez (editor) M. Elena Romero-Merino (editor)
- Language: English
- Year: 2020
- Author: Inigo Garcia-Rodriguez (editor) M. Elena Romero-Merino (editor)
- Language: English
- Year: 2020
- Author: Yvette Bürki, Elena Romero
- Language: Spanish
- Year: 2014
- Author: Tamar Alexander Elena Romero
- Language: Spanish
- Year: 2003
- Author: Elena Romero
- Language: English
- Year: 2012