...Sancho begged the duke to let them leave him the robe and mitre; as he wanted to take them home for a token and memento of that unexampled adventure... 
Miguel de Cervantes 「The History of Don Quixote, Volume II., Complete」
...This additional memento mori from the lion wasnot lost on Captain Woodhouse; it immediately put him in mind that hehad committed an act of imprudence in stirring...
R. Lee 「Anecdotes of the Habits and Instinct of Animals」
...I'll leave a memento...
Various 「Astounding Stories of Super-Science, October, 1930」
... (then seventeen years old) went as oboist, and out of his scantypay brought back to Hanover, in 1756, only one memento of his stay—acopy of On the Human Understanding...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
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