sword in the age of chivalry / R. Ewart Oakeshott ; with draw. by the author archaeology of weapons : arms and armor from prehistory to the age of chivalry / R. Ewart Oakeshott ; ill. by the author knight and his armour / R.E. Oakeshott European weapons and armour : from the Renaissance to the Industrial Revolution / Ewart Oakeshott ; with line illustrations by the author design of experiments / by Ronald A. Fisher Orientations / Ronald Storrs Oorlogen van de twintigste eeuw / [David Shermer, Ronald Heiferman ... et al. ; tek. John Batchelor ; adviezen J. J. G. Dehue ; inl. … Charlie 69-4 69-5 / [Ronald Branse ... et al.] Rolls-Royce from the wings : military aviation 1925-71 / Ronald W. Harker Prins : Willem van Oranje, 1533-1584 / Ronald de Graaf ; kaarten Gerard de Groot crisis of India / Ronald Segal Polen-Nederland : betrekkingen Polen/Nederland in de 16e en 17e eeuw / [samenst. catalogus: Lucia Thijssen, Ronald de Leeuw]
