Question: With which western series is the star of The Last of the Vikings associated ? 

Context articles: Cimarron Strip
Bonanza
The Loner
1969 Minnesota Vikings season
Wanted Dead or Alive (TV series)
Kurt Russell
Robert Culp
The Westerner (TV series)
The Last of the Vikings
Cameron Mitchell (actor)

Cimarron Strip is a lavish American Western television series starring Stuart Whitman as Marshal Jim Crown.
 The series was produced by the creators of "Gunsmoke" and aired on CBS from September 1967 to March 1968.
 Reruns of the original show were aired in the summer of 1971.
 "Cimarron Strip" is one of only three 90-minute weekly Western series that aired during the 1960s (the others are "The Virginian" and, for one season, "Wagon Train"), and the only 90-minute series of any kind to be centered primarily around one lead character in every episode.
 The series theme and pilot incidental music was written by Maurice Jarre, who also scored "Lawrence of Arabia" and "Doctor Zhivago".
Bonanza is an NBC television western series that ran from 1959 to 1973.
 Lasting 14 seasons and 431 episodes, "Bonanza" is NBC's longest-running western, and ranks overall as the second-longest-running western series on U.S. network television (behind CBS's "Gunsmoke"), and within the top 10 longest-running, live-action American series.
 The show continues to air in syndication.
 The show is set around the 1860s and it centers on the wealthy Cartwright family, who live in the area of Virginia City, Nevada, bordering Lake Tahoe.
 The series stars Lorne Greene, Dan Blocker, Michael Landon, Pernell Roberts (who left after six seasons), and later David Canary and Mitch Vogel.
 The show is known for presenting moral dilemmas.
The Loner is an American western series that ran for one season on CBS from 1965 to 1966, under the alternate sponsorship of Philip Morris and Procter & Gamble.
 The series was created by Rod Serling a year after the cancellation of "The Twilight Zone".
 It was one of the last TV series on CBS to air in black-and-white.
The Minnesota Vikings season was the franchise's 9th season in the National Football League.
 The Vikings won the NFL Central Division title, finishing with a record of 12 wins and two losses, plus playoff wins over the Los Angeles Rams in the Western Conference Championship Game, as well as the Cleveland Browns in the last NFL Championship Game ever played in the pre-merger era.
 With these wins, the Vikings became the last team to possess the Ed Thorp Memorial Trophy, introduced 35 years earlier in 1934.
Wanted Dead or Alive is an American Western television series starring Steve McQueen as the bounty hunter Josh Randall.
 It aired on CBS for three seasons in 1958–61.
 The black-and-white program was a spin-off of a March 1958 episode of "Trackdown," a 1957–59 western series starring Robert Culp.
 Both series were produced by Four Star Television in association with CBS Television.
Kurt Vogel Russell (born March 17, 1951) is an American actor.
 He began acting on television in the western series "The Travels of Jaimie McPheeters" (1963–64).
 In the late 1960s, he signed a ten-year contract with The Walt Disney Company where, according to Robert Osborne, he became the studio's top star of the 1970s.
Robert Martin Culp (August 16, 1930March 24, 2010) was an American actor, screenwriter, voice actor, and director, widely known for his work in television.
 Culp earned an international reputation for his role as Kelly Robinson on "I Spy" (1965–1968), the espionage television series in which co-star Bill Cosby and he played secret agents. Prior to that, he starred in the CBS/Four Star Western series "Trackdown" as Texas Ranger Hoby Gilman from 1957 to 1959.
The Westerner is a highbrow American Western series that aired on NBC from September 30 to December 30, 1960.
 Created and produced by Sam Peckinpah, who also directed some episodes, the series was a Four Star Television production.
 "The Westerner" stars Brian Keith as amiable, unexceptional cowhand/drifter Dave Blassingame, and features John Dehner as rakish Burgundy Smith, who appeared in three episodes.
The Last of the Vikings (Italian:L'ultimo dei Vikinghi, French:Le Dernier des Vikings) is a 1961 French-Italian historical film directed by Giacomo Gentilomo and starring Cameron Mitchell, Edmund Purdom and Isabelle Corey.
 The film was allegedly co-directed by Mario Bava who was uncredited.
Cameron Mitchell (November 4, 1918 – July 7, 1994) was an American film, television, and Broadway actor with close ties to one of Canada's most successful families.
 From 1967 to 1971, Mitchell appeared in the western television series "The High Chaparral".