Columbia subject headings:
Harvard subject headings:
Authors and publishers--England--Oxford--History.
B.H. Blackwell Ltd.--History.
Blackwell family.
Booksellers and bookselling--England--Oxford--History.
Publishers and publishing--England--Oxford--History.
Princeton subject headings:
Authors and publishers--England--Oxford--History.
B.H. Blackwell Ltd.--History.
Booksellers and bookselling--England--Oxford--History.
Publishers and publishing--England--Oxford--History.