Levinus Hulsius
Born	1550  Ghent
Died	13 March 1606  (aged 55–56) Frankfurt
Occupation	Writer, publisher, instrument maker, notary, printer

Levinus Hulsius (1550 – 1606) was a maker and dealer of fine scientific instruments; publisher and printer; linguist and lexicographer; wrote extensively on the construction of geometrical instruments. Although he was born in Flanders he lived and worked in the Netherlands and Germany.

• Tractatus instrumentorum mechanicorum (in Latin). Vol. 1. Frankfurt: Wolfgang Richter. 1605.
• Tractatus instrumentorum mechanicorum (in Latin). Vol. 2. Frankfurt: Wolfgang Richter. 1605.
• Tractatus instrumentorum mechanicorum (in Latin). Vol. 3. Frankfurt: Wolfgang Richter. 1605.

• F.X. de Feller (1818). "HULSIUS (Levinus)". Dictionnaire historique, ou Histoire abrégée (in French). Vol. 4. Paris & Lyon. p. 675.
• Georg Wolfgang Karl Lochner (1881), "Hulsius, Levin", Allgemeine Deutsche Biographie (in German), vol. 13, Leipzig: Duncker & Humblot, p. 335
• Josef Benzing (1974), "Hulsius (van Hülsen), Levin", Neue Deutsche Biographie (in German), vol. 10, Berlin: Duncker & Humblot, p. 30; (full text online)
• Mathematics from the birth of numbers, Jan Gullberg, W. W. Norton & Company; 1st ed edition (October 1997), 1093 pages ISBN 0-393-04002-X ISBN 978-0-393-04002-9
• Ralf Kern: "Wissenschaftliche Instrumente in Ihrer Zeit". Band 2: "Vom Compendium zum Einzelinstrument". Verlag der Buchhandlung Walther König 2010, ISBN 978-3-86560-866-6