Horses, oxen and technological innovation : The use of draught animals in English farming from 1066 to 1500.

von Langdon, John
Cambridge : Cambridge University Press, 1986.
Umfang/Format: 331 S. : Abb. Taf. ; 23 cm.

Was England a technological backwater in the middle ages?

von Langdon, John
Veröffentlicht in Medieval farming and technology : The impact of agricultural change in Northwest Europe.
Leiden/New York/Köln : Brill, 1997.
Umfang/Format: 275-291.

Double-shafted vehicles and other elements in the "revolution" of land transport in medieval Europe.

von Langdon, John
Veröffentlicht in Brancards et transport attelé entre Seine et Rhin de l'Antiquité au Moyen Âge. Aspects archéologiques, économiques et techniques. Actes du Colloque de Bruxelles et Treignes, 1er et 2 octobre 1993.
Treignes : DIRE, 1995.
Umfang/Format: 113-126.

Byzantium's last imperial offensive in Asia Minor : the documentary evidence for and hagiographical lore about John III Ducas Vatatzes' crusade against the Turks, 1222 or 1225 to 1...

von Langdon, John Springer, 1942-
Hellenism--ancient, mediaeval, modern ; 7th v.
New Rochelle, N.Y. : A.D. Caratzas, c1992.
Umfang/Format: viii, 156 p., [9] p. of plates (1 folded) : ill., map ; 24 cm.

The science of human evolution : getting it right

von Langdon, John H. (John Howard)
Life sciences
Basel : Springer Nature, 2016.
Umfang/Format: xxi, 220 pages : illustrations, charts ; 24 cm.

Medieval farming and technology : the impact of agricultural change in northwest Europe

Technology and change in history v. 1
Leiden ; New York : Brill, 1997.
Umfang/Format: viii, 321 p. : ill., maps ; 25 cm.