- J. Robert Oppenheimer
- The Real Mary Kelly
- Jacquard's Web
- Jaghmīnī’s Mulakhkhaṣ
- Jak powstała bomba atomowa
- James Watt, Chemist
- Jan Hendrik Oort
- Jane Addams's Evolutionary Theorizing
- Jayme Tiomno
- Jean Grave and the Networks of French Anarchism, 1854-1939
- Jean Le Rond D'Alembert: A New Theory of the Resistance of Fluids
- Jean-Charles Houzeau's Escape from Texas
- Jeremi Wiśniowiecki (1612-1651)
- Jeremi Wiśniowiecki (1612-1651)
- Jesse Ramsden (1735–1800)
- Jesuit Contribution to Science
- Jesus in an Age of Enlightenment
- Jewish Encounters with Buddhism in German Culture
- Jewish Medicine and Healthcare in Central Eastern Europe
- Jeńcy sowieccy na ziemiach polskich w czasie II wojny światowej
- Joaquín Camacho: de lector ilustrado a publicista republicano (1807-1815)
- Johan Galtung
- Johann Friedrich Blumenbach
- John Dee's Actions with Spirits (Volumes 1 and 2)
- John Dee's Natural Philosophy
- John Dee: Interdisciplinary Studies in English Renaissance Thought
- John Ruskin's Politics and Natural Law
- John S. Niederhauser
- John von Neumann
- Jonas Salk
- Jonathan Dean
- Journals Of Two Expeditions Of Discovery In North-West And Western Australia - Volume I
- Journals Of Two Expeditions Of Discovery In North-West And Western Australia - Volume II
- Journey With Fred Hoyle, A (2nd Edition)
- Judenhut und Gelber Fleck
- Julius Plückers gesammelte wissenschaftliche Abhandlungen
- Junkyards, Gearheads, and Rust