"Economy of coal wagons" (2 folders); university lectures 1920-1927, typescripts in folders: -1920, nos I-VI -1921, nos I-VII, and letter reporting on his eleven lectures -1921 folder marked `Part II lectures on sponges' -1923, nos I-IX -1925, nos I-XIV -1927, nos I-XI and two discussions. - 1930, no. I only, with autograph and note requesting typing; miscellaneous notes, typescripts, jottings, printed items (loose), including: -translation of an Ode of Horace -speech "The Management of Capital" -letter to The Times, "1832 and 1932" -note on Mr Altenburg's theory of the compound eye, c.1926 -Death -the relation of the form of a sponge to its currents, offprint from Quarterly Journal of Microscopial Science, July 1923 -sponges in the vulgar tongue -envelope of letters from GPB; part of a scientific notebook; small notebook with a few poems