L.R.C.P. Licentiate of the Royal College of Physicians.
L.R.C.P.E. Licentiate of the Royal College of Physicians of Edinburgh.
L.R.C.S. Licentiate of the Royal College of Surgeons.
L.S. Linnæan Society; Loco sigilli=In the place of the Seal.
l.s. Left side.
L.S.A. Licentiate of the Society of Apothecaries.
L.S.D., libræ, solidi, denarii=Pounds, shillings, pence.
Lt. Lieutenant.
LXX. Septuagint Version.
M., mille=A thousand.