Miscellaneous correspondence of Sydney Hough with astronomers regarding various subjects, including the publication of results and restoration work after the First World War. At the end of the volume are a set of obituary notices. The correspondence is divided into sections by correspondent: F. Aguilar, La Plata; Professor Auwers, Berlin; Dr Backland, Pulkova; E.B. Baillaud, Paris; Professor Bakhuyzen, Leiden; J.M. Baldwin, Potsdam; P. Barruchi; Professor Boccardi, Turin; Professor Boss, Dudley; W.E. Cooke, Perth; Sir G. Darwin, Cambridge; W. de Sitter, Leiden; W. Elkin, Yale; E.B. Frost, Yerkes; A.R. Hinks, Cambridge; J.C. Kapteyn, Groningen; Dr Kobold, Kiel; H.F. Newall, Cambridge; and Professor Newcomb, Washington.