...I was always aware that it was my duty to do all that I could with propriety to serve the cause I had undertaken, and yet I found myself embarrassed at their request... 
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
...But if so, the question which it involved was a question of justice only; and it could not be decided, with propriety by any other standard...
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
... Sir William Geary questioned the propriety of immediate abolition...
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
...Romilly, which had given such offence, had been used by others; and would be used with propriety, while the trade lasted...
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
...They then give her a series ofinstructions, and point out, with great propriety, what ought tobe her future conduct in life...
Mungo Park 「Travels in the Interior of Africa, Vol. 2 [of 2]」
...Startled at hearing that he was to be sold, he was led to consider the propriety of seeking flight via the Underground Rail Road...
William Still 「The Underground Railroad」
... My oxen now behaved themselves with singular propriety, opposing their present conduct to my representation of their former antics...
Frederick Douglass 「My Bondage and My Freedom」
...The recital brought to her New England mind many questions of policy and propriety...
W. E. B. Du Bois 「The Quest of the Silver Fleece」
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