The January edition of the German “Zeitschrift für Geburtshilfe und Frauenheilkunde” (“Journal for Obstetrics and Gynecology”) contained an ad about Thalidomide.

Source: Anklageschrift (indictment) from 1967, today archived at the National Archives of North Rhine-Westphalia in Duisburg, Germany (Rheinland Division, Gerichte Rep. 139, No. 1–396), pp. 70ff.