Letter from Technische Hochschule Friedericiana Bibliothek, to the Royal Society, London, Burlington House Acknowledges the receipt of the continuation of the Proceedings of the Royal Society Series A, Vol.83, No A 560, expressing sincere thanks. Brings attention to previous communication indicating that the local library did not receive Series B of the Proceedings, unless a special application is made. Expressing continued interest in the biological sciences, requests the resumption of the series. 15 December 1909