Typescript draft, c. 1945, of Y Pila Glas Mawr ac Ysgrifau Eraill, a collection of essays, in Welsh, on various species of insects, illustrated with original pen-and-ink and water-colour drawings, by R. E. Vaughan Roberts (1888-1962), naturalist and broadcaster. Many of the essays were published under the pseudonym Tomos ap y Dryw Bach in Yr Haul, May 1936 - December 1938, and the volume, compiled with a view to publication (see f. 2), is referred to in Melfyn R. Williams, Doctor Alun (Tal-y-bont, 1977), p. 129.