... Green Modock acknowledges that he was owned by William Dorsey, Perry by Robert Dade, Sam and Isaac by Thomas Owings, all farmers, and all "tough" and "pretty mean men... 
William Still 「The Underground Railroad」
...These, by his attractive power, he retains in theirseveral paths and orbits, and even far distant Neptune acknowledges hispotent sway...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...Hehimself acknowledges, “that for observations his sight was dull,and for mechanical operations his hand was awkward...
David Brewster 「The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler」
...A few words, he hopes, may be allowed him respecting the colony itself, for which he acknowledges what, he trusts, will be considered as at least an excusable partiality...
David Collins 「An Account of the English Colony in New South Wales, Vol. 1」
...Flinders acknowledges in his journal that he deviated voluntarily, (for the Isle of France was not in his passage, as the author of the above cited letter says)...
Matthew Flinders 「A Voyage to Terra Australis Volume 2」
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