Her mighty lakes, like oceans of liquid silver; her mountains, with bright aerial tints; her valleys, teeming with wild fertility; her tremendous cataracts, thundering in their solitudes; her boundless plains, waving with spontaneous verdure; her broad, deep rivers, rolling in solemn silence to the ocean; her trackless forests, where vegetation puts forth all its magnificence; her skies, kindling with the magic of summer clouds and glorious sunshine - no, never need an American look beyond his own country for the sublime and beautiful of natural scenery.

The letters brought Irving some early fame and moderate notoriety. His portrait appeared on the bank's notes and contributed to their wide appeal. He made his literary debut in 1802 with a series of observational letters to the Morning Chronicle written under the pseudonym Jonathan Oldstyle.

His historical works include biographies of George Washington Oliver Goldsmith and Muhammad and several histories of 15th-century Spain dealing with subjects such as Christopher Columbus the Moors and the Alhambra. He continued to publish regularly—and almost always successfully—throughout his life and completed a five-volume biography of George Washington just eight months before his death at age 76 in Tarrytown New York.