He was the son of jurist James Gould, and an early contributor of tales to the Knickerbocker Magazine, to the New World, the Mirror, the The Literary World, and other journals.

After leaving the Herald, Cornwallis became editor and owner of the Knickerbocker Magazine and the Albion.

He contributed to the Union Magazine, the Knickerbocker Magazine, Putnam's Monthly Magazine and the New York Evening Post.

"The War of the Dryads" (Knickerbocker Magazine, [July 1863, as "The Last War of the Dryads"])

"Fantasie" (Knickerbocker Magazine, [January 1864])

"The Last War of the Dryads"* (Knickerbocker Magazine, Jul. 1863)

"Fantasie"* (Knickerbocker Magazine, [Jan. 1864)

"The Masque in Fantasie"* (Knickerbocker Magazine, Feb. 1864)

- Knickerbocker Magazine, p. vii.