Letters from ESP March - December 1918 Letters from E S Pearson to Maria Sharpe Pearson. Mostly discussing personal and domestic matters. Card dated 2nd August describes Egon's re-examination by the Medical Board to determine that he was unfit for military service. Letter dated 11th August describes a number of trials of people accused of selling supplies on the black market, at one of which Egon was asked to give evidence. Mar-Apr 1918