Person · 1920 CEJuan Antonio MartínezAlso known asJuan Antonio MartinezJuan Antonio Martínez Valdés CanteroХуан Антонио Мартинесخوان أنطونيو مارتينيزarchival plate · Juan Antonio Martínez · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected to3 links to entries not yet ingested in the Library.