Here are few examples of visual courses gathered for the project 'Sickle and Crescent'.

Left: A poster supporting the establishment of a European Defence Community (1951)
Right: A poster calling for European Unity against the communist threat represented by the
Soviet symbols of the hammer and sickle in the dark clouds (1952).
Source (both): BUSSIERE E., DUMOULIN, M. & TRAUSCH G. (2001) Europa. L’idée et l’identité européenne,
de l’Antiquité grecque au XXIe siècle, Fundacion Academia Europea de Yuste,  pp.283 and 287.

Posters and caricatures below taken from various history textbooks (French and German).