Dictionary of National Biography
The Dictionary of National Biography (DNB) is a collection of books. It is a reference series on notable people from British history. The collection has been published since 1885. The updated Oxford Dictionary of National Biography (ODNB) was published on 23 September 2004. It has 60 volumes and is also online. the ODNB has 50,113 biographical articles about the lives of 54,922 people.