Letter from Dr [Wilhelm Freidrich Philipp] Pfeffer to The Royal Society Acknowledges receipt of a bill for complimentary copies of the recent Croonian Lectures, emphasising the difficulty of maintaining accuracy in translating scientific content into German. Mentions his efforts to adapt the lecture into the German language "Natural Science Review" pending approval from the Royal Society. Seeks guidance on the publication process and requests feedback on the manuscript's readability before proceeding. 20 May 1898