Possible Clues:

• This: Sp.
• This, in Peru
• This, in Seville
• "— Perpetua" (Idaho motto)
• Pamplona pronoun
• This, in Taxco
• Last word of Missouri's motto
• "___ perpetua" (Idaho's motto)
• José's this
• 'Salus populi suprema lex ___' (Missouri's motto)