Ofarrell P N O : The competitiveness of business services in the two parts of Ireland, Wales and South England / D.M.W.N. Hitchens, P.N. O'Farrell and C.D. Conway.
Offelen Heinrich : A double grammar for Germans to learn English, and for English-men to learn the German-tongue : wherein all Latine words, belonging to the grammar, are translated both into the German and English tongue : treating besides of the derivation of the English tongue, with all grammatical rules : and dialogues, treating of all necessary matters that daily may be spoken of : and, especially what is to be seen for a stranger, at Versailles in France and England, with a compendium of the estate of the German empire / composed and set forth by Henry Offelen ...
Offermanns Ernst L : Anatol : Anatol-Zyklus-Anatols Grossenwahn; das Abenteuer seines Lebens / Texte und Materialien zur Interpretation besorgt von E.L. Offermanns.
1964
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Offermans Cyrille : Het Literair klimaat 1970-1985 / onder redactie van T. van Deel, N. Matsier, C. Offermans.