This booklet about politeness and good manners for youth, in French, was published between 1866 and 1878, according to the activity of the publisher. It is quoted in <a href="https://en.wikipedia.org/wiki/Cornhill_Magazine" class="extiw" title="en:Cornhill Magazine">The Cornhill Magazine</a>, page 537, edited by <a href="https://en.wikipedia.org/wiki/William_Makepeace_Thackeray" class="extiw" title="en:William Makepeace Thackeray">William Thackeray</a> in 1904.
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Quérolle</div>
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