From Trained Firemen to Panic Stricken Animals In 4 Years. Sheesh, How Good Is Their Memory. Really......

 TRAINED ELEPHANTS AS FIREMEN--AN INCIDENT AT BROCKTON, MASSACHUSETTS, by F. S. CHURCH, published in Harper's Weekly June 1883

PANIC-STRICKEN ANIMALS FROM THE FIRE AT THE WINTER-QUARTERS OF BARNUM'S MENAGERIE, by F. S. CHURCH, published in Harper's Weekly December 1887