For works of this author entered under other names, search also under: Haddon, Christopher, 1885-1944.  For works written in collaboration with Hilary Aidan St. George Saunders, search also under: Beeding, Francis;  Pilgrim, David;  Somers, John, 1885-1944.  

For works written in collaboration with John Palmer, 1885-1944, search also under: Beeding, Francis;  Pilgrim, David;  Somers, John, 1885-1944