Columbia subject headings:
Harvard subject headings:
Fish culture--England--Avon River (Leicestershire-Gloucestershire, England)
Trout fishing--England--Avon River (Leicestershire-Gloucestershire, England)
Princeton subject headings:
Fish culture--England--Avon River (Leicestershire-Gloucestershire).
Trout fishing--England--Avon River (Leicestershire-Gloucestershire).