Work-related letters (correspondent files),
- PT1.
- Cyfres
- 1948-1995.
The series comprises letters, 1948-1995, from publishers, organisations, breeders and private individuals, mainly on the subjects of dog breeds; canine behaviour; health and welfare; anecdotes; the content, illustration and publication of canine literature; Hubbard's private book collection; orders for books; radio broadcasts; dog shows; breed club business; and personalities of the dog world.