Royal Naval Air Service/RAF pilot's flying log book, 1918-1924; three RAF pilot's flying log books, 1924-1926, 1934-1936 and 1937-1946. Four photograph albums, with many captioned photographs of Lynch's service in Turkey and southern Russia, 1919, and Iraq, 1931-1934, also 51 photographic negatives, mostly of southern Russia, 1919. Personal papers and photographs,1917-1946, including printed RAF certificate for the completion of a course in 'Aerial gunnery and bombing, Eastchurch, Kent, 1924, congratulatory letter to Lynch, concerning a successful air display, from AVM Cyril Louis Norton Newall, Air Officer Commanding Wessex Bombing Area, 1931, and printed service history, compiled by Lynch's son, 1994.

Map of area around the Black Sea, Caspian Sea and Eastern Mediterranean, including Turkey and parts of the USSR, North Africa and the Middle East, drawn up by the Survey Department, Egypt, 1913, and the Royal Geographical Society, under the direction of the Geographical Section of the General Staff, 1916 and 1918, marked with the boundaries of Armenia and Georgia as laid down by the Treaty of Alexandropol, 1920, lines in the Caucasus held by the Turks and by the Bolsheviks, Mar 1921, and boundaries in the Caucasus proposed by Moscow, 1921.