BIBLIOGRAPHY CONTRIBUTOR J.L. Heiberg First name J.L. Last name Heiberg Bibliography entries by this contributor Besthorn, R.O., and J.L. Heiberg, eds. 1893. Codex Leidensis 399,1. Euclidis Elementa Ex Interpretatione Al-Hadschdschadschii Cum Commentariis Al-Nairizii. 3 vol. Copenhagen: Gyldendel.
