Unsigned copy of a letter from Ross to Pietro James Michelli, Secretary London School of Tropical Medicine He and Manson had agreed to return each other's letters but Manson must have forgotten this when he gave them to the School. Asks if the School has any correspondence about this, he is looking for his letters on the subject and he is dubious about the legality of giving correspondence to an institution while the writer is still alive 14/7/1922