Sentence examples for knows of their existence from inspiring English sources

I know when I'm rummaging in dusty corners of second hand bookshops, I occasionally unearth books which are so idiosyncratic or personal, I wonder if anyone at all knows of their existence.

In a bold concurring opinion, Justices Clarence Thomas and Antonin Scalia went further still, suggesting that they might be prepared to resurrect the 19th century principle that the Fifth Amendment protects the content of incriminating private papers from state scrutiny, whether or not the government knows of their existence in advance.

And there is a question mark over whether the NSA may have deliberately used its influence to weaken some encryption systems - or even to introduce "back doors" that provide easy access to encrypted data to anyone who knows of their existence.

Nobody knows of their existence because they have been illegally trafficked.

However, I have been advised that one state government body not only knows of their existence but is also in possession of a frozen carcass.

Without biochemistry, people would not know of their existence.

Biologists have known of their existence for over a century, although some have only been fully understood recently.

But no dinosaurs or plesiosaurs or pterodactyls are specified, because the authors did not know of their existence.

For two years, I'd worked around the corner from these slanting tombstones but never knew of their existence.

The country should be proud of them, too, but, alas, not many people in this country even know of their existence.

President Condé refused to make a quid-pro-quo deal for the documents, but at least the Guinean government knew of their existence.