Question: Were Morris West and João Guimarães Rosa of the same nationality?

Context articles: The Salamander (1981 film)
Morris West
The Devil's Advocate (West novel)
Sagarana: The Duel
Erico Verissimo
The Devil to Pay in the Backlands
The Hour and Turn of Augusto Matraga
The Third Bank of the River
João Guimarães Rosa
The Ambassador (West novel)

The Salamander (also known as Morris West's The Salamander) is a 1981 thriller film directed by Peter Zinner, at his directorial debut.
 The film is based on a novel with the same name by Morris West.
Morris Langlo West AO (26 April 19169 October 1999) was an Australian novelist and playwright, best known for his novels "The Devil's Advocate" (1959), "The Shoes of the Fisherman" (1963) and "The Clowns of God" (1981).
 His books were published in 27 languages and sold more than 60 million copies worldwide.
 Each new book he wrote after he became an established writer sold more than one million copies.
The Devil's Advocate is a 1959 novel by Australian author Morris West.
<ref name="National Library of Australia - Trove - The devil's advocate / Morris West"> </ref> It forms part of West's "Vatican" sequence of novels, along with "The Shoes of the Fisherman" (1963), "The Clowns of God" (1981), and "Lazarus" (1990).
Sagarana: The Duel (Portuguese: Sagarana, o Duelo ) is a 1973 Brazilian adventure drama film directed by Paulo Thiago, based on the short story "O Duelo" by João Guimarães Rosa.
 It was entered into the 24th Berlin International Film Festival.
Érico Lopes Veríssimo (December 17, 1905 – November 28, 1975) was an important Brazilian writer, born in the State of Rio Grande do Sul.
 His father, Sebastião Veríssimo da Fonseca, heir of a rich family in Cruz Alta, Rio Grande do Sul, met financial ruin during his son's youth.
 Veríssimo worked in a pharmacy before obtaining a job at Editora Globo, a book publisher, where he translated and released works of writers like Aldous Huxley.
 During the Second World War, he went to the United States.
 This period of his life was recorded in some of his books, including: "Gato Preto em Campo de Neve" ("Black Cat in a Snow Field"), "A Volta do Gato Preto" ("The Return of the Black Cat"), and "História da Literatura Brasileira" ("History of Brazilian Literature"), which contains some of his lectures at UCLA.
 His epic "O Tempo e o Vento" ("The Time and the Wind'") became one of the great masterpieces of the Brazilian novel, alongside "Os Sertões" by Euclides da Cunha, and "" by Guimarães Rosa.
Grande Sertão: Veredas (Portuguese for "Great Backlands: Paths"; English translation: The Devil to Pay in the Backlands) is a novel published in 1956 by the Brazilian writer João Guimarães Rosa.
The Hour and Turn of Augusto Matraga (Portuguese: A Hora e a Vez de Augusto Matraga ) is a 1965 Brazilian crime drama film directed by Roberto Santos, based on the short story of the same name by João Guimarães Rosa.
The Third Bank of the River (Portuguese: A Terceira Margem do Rio ) is a 1994 Brazilian drama film directed by Nelson Pereira dos Santos.
 It is based on the short stories "A Menina de Lá", "Os Irmãos Dagobé", "Fatalidade", "Seqüência", and "A Terceira Margem do Rio" by João Guimarães Rosa compiled into the book "Primeiras Estórias".
 It was entered into the 44th Berlin International Film Festival.
João Guimarães Rosa (] ; 27 June 1908 – 19 November 1967) was a Brazilian novelist, short story writer and diplomat.
The Ambassador is a novel by Australian author Morris West.
<ref name="NLA - Trove - The Ambassador / Morris West"> </ref> It was first published in 1965.
 The novel is fictionalisation of the period leading up to and shortly after the Coup d'état against and assassination of South Vietnamese President Ngo Dinh Diem.