Copy letter from Robert William Frederick Harrison, to Professor Robert Muir, the University, Glasgow Harrison explains that Muir's paper on Opsonine will be published in the next week or two, with private copies to be despatched a week or so after that. They currently have an excess of Proceedings of the Royal Society papers to publish and distribute; these will be taken in order of priority, but they will publish his in the earliest number available. 10 April 1907