(en) « Witness Collection Biography - Phan Kế An », sur witnesscollection.org : « In November 1948, An was taken to live secretly for three weeks in the countryside with Hồ Chí Minh and his closest advisors. During that period, he produced a series of formal and candid portraits. He made about 20 portraits of the leader which were eventually published in Sự Thật (‘The Truth’) newspaper. »