...It was important to ascertain thechannels between the sandbanks and reefs, that buoys might be laid down,since this little creek was to be the harbour... 
Jules Verne William Henry Giles Kingston 「Abandoned」
...And before they were able to ascertain what it was, a luminous train, accompanied by a hissing sound in the air, called their attention from the donjon to the ground...
Alexandre Dumas, Pere 「The Man in the Iron Mask」
...Athos did not stir from the place he occupied; he scarcely turned his head towards the door to ascertain the sooner what these noises could be...
Alexandre Dumas, Pere 「The Man in the Iron Mask」
...It remained to ascertain the precise identity of these mysterious saviours, and do them fitting honour...
Rafael Sabatini 「Captain Blood」
...Who is this lady? I would give anything to ascertain...
Alexandre Dumas, Pere 「Louise de la Valliere」
... “But how could you ascertain that?” inquired the king, full of admiration...
Alexandre Dumas, Pere 「Louise de la Valliere」
... “Didn’t Cochefer go into the room and ascertain whether the woman was lying?” ...
Baroness Orczy 「El Dorado」
..."Send word to ascertain if anyonesaw me...
Edgar Rice Burroughs 「Tarzan the Untamed」
...When attacked by fever myself, and wishing to ascertain what their practices were, I could safely intrust myself in their hands on account of their well-known friendly feelings...
David Livingstone 「Missionary Travels and Researches in South Africa」
...I could not ascertain whether the dam devours them, as reported, or whether the ichneumon has the same reputation here as in Egypt...
David Livingstone 「Missionary Travels and Researches in South Africa」
..." My medical intercourse with them enabled me to ascertain their moral status better than a mere religious teacher could do...
David Livingstone 「Missionary Travels and Researches in South Africa」
...I have been unable to ascertain the motive for the good, or account for the callousness of conscience with which they perpetrate the bad...
David Livingstone 「Missionary Travels and Researches in South Africa」
...It was previously called Shongwe, the meaning of which I could not ascertain...
David Livingstone 「Missionary Travels and Researches in South Africa」
...It would be useful to ascertain this because such a measure had been long reported to be usual in this, but was said to be unknown in any other trade...
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
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