Many are Not Aware of this Strange Coincidences from the 1890's

In 1893, author Ingersoll Lockwood published Baron Trump’s Marvelous Underground Journey. The story follows a boy named Baron Trump, who lives in Castle Trump and is guided by a mysterious man named Don on a series of underground adventures and encounters with advanced civilizations.

Baron Trump's marvellous underground journey - by Lockwood, Ingersoll, 1841 - Publication date 1893
Publisher Boston, Lee and Shepard
https://archive.org/details/barontrumpsmarve00lock/page/n7/mode/2up