21.   Updated version follows.

22.   New corrected version follows.

23.   Motorised versions followed four years later thanks to Father Thevenoud, the first bishop of Ouagadougou, where a street still bears his name.

24.   New version with embargo follows.

25.   New version follows.

26.   No new versions will follow.

27.   The information is being checked and a new version will follow as soon as possible.