...de Saint-Aignan, aide-de-camp in perpetuity, carried to La Valliere at the risk of foundering his horses... 
Alexandre Dumas, Pere 「The Man in the Iron Mask」
...He continues: "Hence, as may well be imagined, the marriage relationloses much of the sacredness and perpetuity of its character...
Booker T. Washington 「The Negro in the South」
...I do not think that the perpetuity ofthe tick can be defended from any economic standpoint...
Florida State Live Stock Association 「Florida: An Ideal Cattle State」
...This isnot perfection, not even perpetuity...
Henry Warren 「Recreations in Astronomy」
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