From the Fifties to the Eighties.
Bonner
B B
BB
D002910:Chronology as Topic; D004739:England; D049673:History, 20th Century; D007390:International Agencies / Q000266:history* / Q000458:organization & administration; D008497:Medical Record Administrators / Q000266:history / Q000458:organization & administration*; D012952:Societies / Q000266:history* / Q000458:organization & administration