The Dictionary of Welsh Biography (DWB) (also The Dictionary of Welsh Biography Down to 1940 and The Dictionary of Welsh Biography, 1941 to 1970) is a biographical dictionary of Welsh people who have made a significant contribution to Welsh life over seventeen centuries.[1][2] It was first published in 1959, and is now maintained as a free online resource.[3]
WBO
was invoked but never defined (see the help page).