title: Sir Geoffrey Keynes. Tributes on his 90th birthday.
mesh_terms: D001868:Book Collecting; D004739:England; D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D007998:Library Science; D010151:Paintings; D013934:Thymectomy / Q000266:history; D013965:Thyroidectomy / Q000266:history