Question: Glubbdubdrib was an imaginary country in the novel by the author of what ethnicity?

Context paragraphs:
Melniboné: Melniboné ( ), also known as the Dragon Isle, is an imaginary country, an island featured in the writings of Michael Moorcock.  It is the homeland of Elric, one of the incarnations of the Eternal Champion.

Leonard Wibberley: Leonard Patrick O'Connor Wibberley (9 April 1915 – 22 November 1983), who also published under the name Patrick O'Connor, among others, was a prolific and versatile Irish author who spent most of his life in the United States.  Wibberley, who published more than 100 books, is perhaps best known for five satirical novels about an imaginary country Grand Fenwick, particularly "The Mouse That Roared" (1955).

Glubbdubdrib: Glubbdubdrib (also spelled Glubdubdrib or Glubbdubdribb in some editions) was an island of sorcerers and magicians, one of the imaginary countries visited by Lemuel Gulliver in the satire "Gulliver's Travels" by Anglo-Irish author Jonathan Swift.

Panic of 1825: The Panic of 1825 was a stock market crash that started in the Bank of England, arising in part out of speculative investments in Latin America, including the imaginary country of Poyais.  The crisis was felt most acutely in England where it precipitated the closing of six London banks and sixty country banks in England, but was also manifest in the markets of Europe, Latin America, and the United States.  An infusion of gold reserves from the Banque de France saved the Bank of England from complete collapse.

Refugees from an Imaginary Country: Refugees from an Imaginary Country is a collection of dark fantasy short stories written by Darrell Schweitzer.  It was first published in hardcover and trade paperback by W. Paul Ganley and Owlswick Press in March 1999.

Jonathan Swift: Jonathan Swift (30 November 1667 – 19 October 1745) was an Anglo-Irish satirist, essayist, political pamphleteer (first for the Whigs, then for the Tories), poet and cleric who became Dean of St Patrick's Cathedral, Dublin.

The Mouse That Roared: The Mouse That Roared is a 1955 Cold War satirical novel by Irish American writer Leonard Wibberley, which launched a series of satirical books about an imaginary country in Europe called the Duchy of Grand Fenwick.  Wibberley went beyond the merely comic, using the premise to make commentaries about modern politics and world situations, including the nuclear arms race, nuclear weapons in general, and the politics of the United States.

Forced Landing (film): Forced Landing is a 1941 action film directed by Gordon Wiles and distributed by Paramount Pictures.  The film recounts the exploits of a pilot in Mosaque, an imaginary country in the midst of turmoil.  "Forced Landing" stars Richard Arlen, Eva Gabor, J. Carrol Naish, Nils Asther and Evelyn Brent.

Precaria (country): Precaria is a concept suggested in the framework of the international campaign of the non governmental organisation Un techo para mi país, in English “A roof for my country," that designates allegorically an imaginary country which would be inhabited by all the poor people from Latin America, for pointing out the magnitude of this critical situation as opposed to the constitutional law of the region and the human rights system of international law (such as Bill of Human Rights and the Millennium Development Goals).

An Imaginary Country: An Imaginary Country is the fifth studio album by Canadian electronic music musician Tim Hecker, released on March 10, 2009 by Kranky.  The album is available on either CD or 2×LP.

Supporting paragraphs: Glubbdubdrib Jonathan Swift
Answer: Anglo-Irish