Loose leaf notepads, comprising: Bird observations, n.d. 'Summer Migrants, Oxford District', arrivals and departures for Oxfordshire, Berkshire and Buckinghamshire, n.d. [1940s] (with historic data back to the 18th century) 'Winter Migrants, Oxford District', arrivals and departures for Oxfordshire, Berkshire and Buckinghamshire, n.d. [1940s] (with historic data back to…