Question: Were both Owen Wister and Edith Wharton American writers?

Context articles: Owen Wister Review
Mary Channing Wister School
Afterward
Owen Wister Award
Crowfield Historic District
Git Along, Little Dogies
Edith Wharton
The Reef (novel)
Wister, Oklahoma
Owen Wister

The Owen Wister Review is the University of Wyoming's annual art and literature magazine produced through the Student Media department, which publishes creative non-fiction, poetry, fiction, and art.
 The editorial staff is made up entirely of undergraduate and graduate students.
 The journal was established in 1978 and named for Owen Wister, who set the first modern western novel, "The Virginian", not far from Laramie, in the town of Medicine Bow.
Mary Channing Wister School, originally the Mary Channing Wister Public School, is a historic school building located in the Poplar neighborhood of Philadelphia, Pennsylvania.
 It was designed by Irwin T. Catharine and built in 1925–1926.
 It is a three-story, three bay, brick building on a raised basement in the Art Deco-style.
 An addition was built in 1960.
 It features a freestanding portico with Doric order columns and decorative tile.
 It is named for the civic leader Mary Channing Wister, the wife of Owen Wister.
"Afterward" is a short story by American writer Edith Wharton.
 It was first published in the 1910 edition of "The Century Magazine".
 and later reprinted in her books " The Collected Short Stories of Edith Wharton" and "Tales of Men and Ghosts" (1910).
 It is an ironic ghost story about greed and retribution.
 The ghost comes for one of the main characters long after a business transgression where the character wronged another.
Owen Wister Award is an annual award from the Western Writers of America given to lifelong contributions to the field of Western literature.
 Named for writer Owen Wister ("The Virginian"; 1902), it is given for "Outstanding Contributions to the American West".
The Crowfield Historic District is a small residential historic district in North Kingstown, Rhode Island.
 It encompasses a cluster of four early 20th-century summer houses, all connected via family or friendship connections to the writer Owen Wister.
 The occupy a large parcel of land sloping down to the shore of Narragansett Bay on the east side of Boston Neck Road, a short way north of the Jamestown Verrazzano Bridge.
 The area was named "Crowfield" by Elizabeth Middleton Cope, who built a Shingle-style mansion in 1906.
 Owen Wister, her uncle, built his house, Champ de Corbeau, in 1909-10 to a design by Grant Lafarge.
 The Jamieson House was also built in 1906, and was designed by the same architect, James P. Jamieson.
 The fourth house, Orchard House, was built in 1924.
 All are Shingle style houses.
 The compound is unusual for North Kingstown, where most summer estates were isolated individual properties.
"Git Along, Little Dogies" is a traditional cowboy ballad, also performed under the title "Whoopie Ti Yi Yo."
 It is believed to be a variation of a traditional Irish ballad about an old man rocking a cradle.
 The cowboy adaptation is first mentioned in the 1893 journal of Owen Wister, author of "The Virginian".
 Through Wister's influence, the melody and lyrics were first published in 1910 in John Lomax's "Cowboy Songs and Other Frontier Ballads."
 It is cataloged as Roud Folk Song Index No. 827.
 Members of the Western Writers of America chose it as one of the Top 100 Western songs of all time.
Edith Wharton ( ; born Edith Newbold Jones; January 24, 1862 – August 11, 1937) was an American novelist, short story writer, and designer.
 Wharton combined an insider's view of American aristocracy with a powerful prose style.
 Her novels and short stories realistically portrayed the lives and morals of the late nineteenth century, an era of decline and faded wealth.
 She won the Pulitzer Prize for Literature in 1921, and was the first woman to receive this honor.
 Wharton was acquainted with many of the well-known people of her day, both in America and in Europe, including President Theodore Roosevelt.
The Reef is a 1912 novel by American writer Edith Wharton.
 It was published by D. Appleton & Company.
 It concerns a romance between a widow and her former lover.
 The novel takes place in Paris and rural France, but primarily features American characters.
 While writing the novel, Edith Wharton visited England, Sicily, and Germany, among other locations.
 In a letter to Bernard Berenson in November 1912, Wharton expressed regret regarding her novel, calling it a “poor miserable lifeless lump”.
 She wrote, “Anyhow, remember it’s not me, though I thought it was when I was writing it—& that next time I’m going to do something worthwhile!!”
Wister is a town in Le Flore County, Oklahoma, United States.
 It is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area.
 The population was 1,002 at the 2000 census.
 Wister was named for Gutman G. Wister, an official of the Choctaw, Oklahoma and Gulf Railroad (KO&G), and the father of noted writer Owen Wister.
Owen Wister (July 14, 1860 – July 21, 1938) was an American writer, historian and "father" of western fiction.
 He is best remembered for writing "The Virginian" and a biography of American Civil War Lt. Gen. and 18th President Ulysses S. Grant.