French series.
Chick Bill appears in several series:
Le Lombard collection (1 to 11)Les aventures de Chick Bill, Dog Bull and Kid Ordinn (31, 45, 46, 47 and 58 in duotone)Jeune Europe collection (12 to 19)Collection Chick Bill (20 to 29)The current series (30 and following)Some albums will be reissued in the current series from 1973, others in the Bédingue collection or from other publishers (P&T Production, for example).
The title of the series also changes regularly:
Les aventures de Chick Bill en Arizona (1 and 2)Les nouvelles aventures de Chick Bill the Cowboy (3 to 7)Les aventures de Chick Bill (8, 9, 12, 13, 30 and following)Les aventures de Chick Bill, Dog Bull et Kid Ordinn (44, 45, 46, 47 and 58)Chick Bill le cowboy (14 to 19)Chick Bill (20 to 29)The young cowboy "Chick Bill" lives many adventures, always accompanied by his friends, the young Indian "Petit Caniche", the sheriff "Dog Bull" and the deputy sheriff "Kid Ordinn". Much of the action takes place in Arizona, home to the imaginary town of Wood City of which "Dog Bull" is the sheriff, but they also may have to travel to other parts of the United States, or even to other countries.
— Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/les-aventures-de-chick-bill/4050-135513/).