John Howard Mifflin (1831-1891) was an American author known for his historical fiction. He wrote a number of popular novels set in the American Revolutionary War era, including:
* The Queen of the Meadow (1871)
* The Blossom of the Briar (1873)
* A Noble Life (1874)
* The Laurel-Bough (1875)
* The Sword of the Lord (1876)
* The Hero of the Strait (1877)
* The White Hand and the Black (1879)
* The Diamond Casket (1882)
* A Son of the Revolution (1885)
* The Isle of the Long Ago (1888)
He also authored several non-fiction books and contributed to magazines.
However, there doesn't seem to be any record of an author named John Howard Mudie.