The earliest known mention of them, referred to as "soledades", is that of Spanish poet Gustavo Adolfo Bécquer, in 1862.
Adolfo Müller-Ury | Gustavo Kuerten | Gustavo Bergalli | Gustavo Rowek | Adolfo Pérez Esquivel | Gustavo Garzón | Adolfo Alsina | Gustavo Santaolalla | Gustavo Rojas Pinilla | Gustavo Machado | Gustavo Dudamel | Gustavo Chacín | Adolfo Bioy Casares | Gustavo Romano | Gustavo Palafox | Gustavo Napoles | Gustavo Madero Muñoz | Gustavo Esteva | Gustavo Díaz Ordaz | Gustavo Cochet | Gustavo Cadile | Gustavo Arias Murueta | Enrique Adolfo Jiménez | Adolfo Zaldívar | Adolfo Rodríguez Saá | Adolfo López Mateos | Adolfo Ibanez University | Adolfo Aguilar Zínser | R. P. Gustavo Le Paige Archaeological Museum | José Gustavo Guerrero |
It is located at 23 Gustavo Adolfo Bécquer Avenue, Alcalá de Henares (Madrid).