1. Robert Koch: A life in medicine and bacteriology;Brock,1988
2. The carrier problem in infectious diseases;Ledingham,1912
3. Report to the Local Government Board on the enteric fever carrier, being a review of current knowledge on this subject;Ledingham,1910
4. The organisation and results of the typhoid campaign;Lentz;BMJ,1910
5. Report to the Local Government Board on occurrences of enteric fever in the Folkestone Urban District;Johnstone,1910