The series comprises research notes, pedigrees, press cuttings, manuscript and printed sources, copies and extracts from literature, private letters, printed leaflets and circulars, on the subjects of canine bibliographies, 1958, 1972, literature, [post-1786], 1896, [1925], 1944-1945, history, c. 1800, 1862-1875, 1908-1951, British and foreign dog breeds, classification of types, breed conformation standards, 1883-1995, physiology and health, 1924-1970, care, breeding and training, [post-1924]-1971, hunting, 1888-1954, dogs in art, war, work and leisure, 1937-1951, and the pug, 1950-1966; and an album of show certificates, [1889]-1895. Since the format of the majority of files is similar, only items of particular interest are noted at file level.