Ludolf von Sudheim, also called Ludolph von Suchem, was a German priest who is primarily known as the author of an account of his time in the Levant and a history of the fall of the Crusader states. Little is known of his life other than he spent the years 1336-1341 travelling in the Holy Land and the Eastern Mediterranean islands.

• von Suchem, Ludolph (1895) [Originally published in 1350]. De Terra sancta et itinere Iherosolomitano et de statu eius et aliis mirabilibus, que in mari conspiciuntur, videlicet mediterraneo [Ludolph von Suchem's Description of the Holy Land, and of the Way Thither. Written in the Year A.D. 1350] (Paperback). Edited and translated from Latin by Aubrey Stewart. Cambridge University Press (published October 2013). p. 158. ISBN 9781108061827. OCLC 830022640.

• Wilhelm Heyd (1884), "Ludolf von Suchen", Allgemeine Deutsche Biographie (in German), vol. 19, Leipzig: Duncker & Humblot, pp. 388–390
• Georg Schnath (1987), "Ludolf von Sudheim", Neue Deutsche Biographie (in German), vol. 15, Berlin: Duncker & Humblot, pp. 302–302; (full text online)

• "Ludolfus de Sudheim". Geschichtsquellen des deutschen Mittelalters (in German). Bayerische Akademie der Wissenschaften. 2014-11-03. Retrieved 2015-01-01.
• "Ludolf von Sudheim: 'Reisebuch' (Nd. Übersetzung)". Handschriftencensus (in German). Retrieved 2015-01-01.
• Gadrat, Christine (2011-12-14). "Ludolf von Sudheim". Archives de littérature du Moyen Âge (in French). Retrieved 2015-01-01.
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