A rare historic photo of the Vietnamese Phu Quoc Ridgeback Dog pictured in the 1939 issue of the American Kennel Gazette

Rare historic photos of the Vietnamese Phu Quoc Ridgeback Dog pictured in the 1939 issue of the American Kennel Gazette

An article by "Canis" in the American Kennel Gazette called "Rare Breeds of the World" mentioning the Vietnamese Phu Quoc Ridgeback among the rarest breeds.

Vietnamese Phu Quoc Ridgeback Dog pictured in the 1944 issue of the American Kennel Gazette in an article about the up and coming Rhodesian Ridgeback breed.

Vietnamese Phu Quoc Ridgeback Dog pictured in the 1944 issue of the American Kennel Gazette in an article about the up and coming Rhodesian Ridgeback breed.

Vietnamese Phu Quoc Ridgeback Dog mentioned in an article about the Rhodesian Ridgeback in the American Kennel Club's official newsletter, the American Kennel Gazette.

Two Vietnamese Phu Quoc Ridgeback Dogs known as Annamite and Kratie, who were donated to the Jardin d'Acclimatation de Paris, illustrated in Le Chenil in its July 30, 1891 edition

Two Vietnamese Phu Quoc Ridgeback Dogs known as Annamite and Kratie, who were donated to the Jardin d'Acclimatation de Paris, illustrated in Le Chenil in its July 30, 1891 edition

Article on the Vietnamese Phu Quoc Ridgeback Dog in Le Chenil in its July 30, 1891 edition including Fernand Doceul's experience with the breed.

M.E. Oustalet writes about the Phu Quoc Ridgeback breed for La Nature's November 1891 publication, including an illustration of the dogs at the J'ardin d'Acclimatation by A.L. Clement

M.E. Oustalet writes about the Phu Quoc Ridgeback breed for La Nature's November 1891 publication, including an illustration of the dogs at the J'ardin d'Acclimatation by A.L. Clement

M.E. Oustalet writes about the breed for La Nature, which is recorded in the Journal of Applied Natural Sciences's bimonthly bulletin

Dr. J.C. Baurac writes about 2 Vietnamese breeds, mentioning a sort of wolf-like 'wild dog' and describing the Phu Quoc Ridgeback in notable detail for the Society of Indo-China Studies in Saigon in 1899

Dr. J.C. Baurac writes about 2 Vietnamese breeds, mentioning a sort of wolf-like 'wild dog' and describing the Phu Quoc Ridgeback in notable detail for the Society of Indo-China Studies in Saigon in 1899

Dr. J.C. Baurac writes about 2 Vietnamese breeds, mentioning a sort of wolf-like 'wild dog' and describing the Phu Quoc Ridgeback in notable detail for the Society of Indo-China Studies in Saigon in 1899

An illustration of Mr. G Helouin Helfaut's "Mango" in Count Henri de Bylandt's collection of breeds and their standards, Les Races de Chiens.

An illustration of the Jardin d'Acclimatation de Paris' "Annamite" and "Kratie" in Count Henri de Bylandt's collection of breeds and their standards, Les Races de Chiens.

An early standard drawn up for the "Lévrier Phu Quoc" or "Phu Quoc Sighthound" by Count Henri de Bylandt in Les Races de Chiens.

The Phu Quoc Dog, pictures in Robert Leighton's New Book of the Dog published in 1911. The dog pictured is of notably different build and type than previous illustrations of the breed, possibly evidence of admixture on the island.

The Phu Quoc Dog, pictures in Robert Leighton's New Book of the Dog published in 1911. The dog pictured is of notably different build and type than previous illustrations of the breed, possibly evidence of admixture on the island.

Marquis de Barthelemy's kennel master, pictured with two Phu Quoc Ridgebacks. The dogs pictured are Can-Le and her son Pek-Te II.

One of Marquis de Barthelemy's dogs. He noted that since the French colonization of Vietnam, the breed had become very rare, even in its country of origin.

Article on the Phu Quoc Ridgeback written in Animal Life and the World of Nature

Illustration of a Vietnamese Phu Quoc Ridgeback Dog, labeled as a Phu Quoc Greyhound, in Walter Esplin Mason's Dogs of All Nations

Illustration of a Vietnamese Phu Quoc Ridgeback Dog, labeled as a Phu Quoc Greyhound, in Walter Esplin Mason's Dogs of All Nations

Illustration of a Vietnamese Phu Quoc Ridgeback Dog, labeled as a Phu Quoc Greyhound, in Walter Esplin Mason's Dogs of All Nations

Mention of the Phu Quoc Ridgeback appears briefly in a newspaper as a Coursing Society proposes a dog show allowing for the breed to be shown in a miscellaneous class of East Asian breeds

A Phu Quoc dog climbing over a 2m-high fence gate at Thanh Nga camp on Phu Quoc island - Photo Credit: Quoc Hung

A vintage photo from Anusorn Supmanue's travel journal picturing a Phu Quoc Ridgeback dog's ridge

A vintage photo from Anusorn Supmanue's travel journal picturing three Phu Quoc Ridgeback dogs on a raised floor

Describe your image

Describe your image

A figure from a Vietnamese Phu Quoc Ridgeback genetic study