References in periodicals archive ?
For all Shakespeare's great creations are like works of nature, subjects of unexhaustible [sic] study .
The "prosperity" of 1918-28 has been described as a Pactolian flood of gold, flowing down incessantly, securing million dollar gate-receipts to pugilists and royal incomes to movie-queens, apparently unexhaustible, but ending as abruptly as it began.
This is why if used comptently, these resources could be unexhaustible.