The fonds is divided into two series: Military and personal papers of H. M. Davison dating 1878-1908 and 1917, and photographs dating ca. 1890 - ca. 1910.

This collection is comprised primarily of documents and photographs regarding the 105 Battalion and Island military history. Included in the collection are: a notebook kept by Lieut. Allen Battiscombe Cosh of statistics collected regarding the men of the No.7 Platoon "B" Company; a photograph of the Battalion Band; a photograph of 18 of the men of the Battalion (all identified); a Christmas/New Year's card 1917-1918 including a photograph of the warrant officers, sergeants and staff sergeants of the 104th Canadian Infantry Battalion; programmes to Remembrance Day and Legion dinners; a photocopy of a commission appointing Robert Hodgson Captain in 1796; and newspaper and other articles regarding Island military history.

In addition to the military material are: newspaper clippings and a letter regarding the first air mail flight to the Island; a photograph of the Charlottetown Fire Department fighting a fire at Heartz Hall (Trinity United Church); a newspaper article about a historic Charlottetown house; and two copies of the programme for a coronation service held for King George V at the First Methodist Church in Charlottetown.

This fonds consists of a letterbook kept by Lt. Col. John A. Longworth for the period 1895-1905. The letterbook details the affairs of the 4th Prince Edward Island Regiment Canadian Artillery.