^Appointed to Bulgaria was in addition to assignment as Consul General at Constantinople, where Dickinson resided. No record has been found of Presented credentials at Sofia. Commissioned during a recess of the Senate; recommissioned after confirmation on Dec 10, 190l.
^ abcCommissioned as Envoy Extraordinary and Minister Plenipotentiary to Greece, Romania, and Serbia and Diplomatic Agent in Bulgaria; resident at Athens. Commissioned during a recess of the Senate; recommissioned after confirmation on Nov 16, 1903. Cite error: The named reference "Jackson" was defined multiple times with different content (see the help page).
^ abCommissioned as Envoy Extraordinary and Minister Plenipotentiary to Romania and Serbia and Diplomatic Agent in Bulgaria; resident at Bucharest. Cite error: The named reference "Knowles" was defined multiple times with different content (see the help page).
^Commissioned as Envoy Extraordinary and Minister Plenipotentiary to Romania and Serbia and Diplomatic Agent in Bulgaria; took oath of office, but did not proceed to post.
^Commissioned as Envoy Extraordinary and Minister Plenipotentiary to Romania and Diplomatic Agent in Bulgaria; served at Bucharest, but did not present credentials in Bulgaria.
^ abCommissioned during a recess of the Senate as Envoy Extraordinary and Minister Plenipotentiary to Romania and Serbia and Diplomatic Agent in Bulgaria; served at Bucharest, but did not present credentials in Bulgaria. Recommissioned after confirmation on Dec 13, 1909. Cite error: The named reference "Carter" was defined multiple times with different content (see the help page).
^Commissioned as Envoy Extraordinary and Minister Plenipotentiary to Romania, Serbia, and Bulgaria; resident at Bucharest. Charles S. Wilson presented credentials Mar 18, 1919, as Chargй d'Affaires ad interim at Sofia and served as such until Jul 1921.
^Commissioned during a recess of the Senate; recommissioned after confirmation on Jan 23, 1929; did not serve under either Appointed.
^Commissioned during a recess of the Senate; recommissioned after confirmation on Jan 15, 1934.
^Earle left post late in Dec. 1941, arriving at Istanbul (en route to the U.S.) Dec 27, 1941. Legation Sofia was reestablished Sep 27, 1947, with John Evarts Horner as Chargй d'Affaires ad interim.
^Commissioned during a recess of the Senate; recommissioned after confirmation on Dec 9, 1947. The Department of State announced on Feb 21, 1950, the suspension of diplomatic relations with Bulgaria; Heath left post, Feb 24, 1950.
^Commissioned during a recess of the Senate; recommissioned after confirmation on Jan 21, 1960.
^Legation Sofia had been raised to Embassy status Nov 28, 1966 with Minister McSweeney in charge pending his own promotion to the rank of Ambassador Extraordinary and Plenipotentiary.
