| #4201 | Joint Consultation. -- Velká Británie : London : National Joint Advisory Council of the Electricity Supply Industry, 1959-1968 |
| #4202 | Joint Panel on Nuclear Marine Propulsion. -- Velká Británie : London : Institute of Marine Engineers, 1957-1965 |
| #4203 | JOM. -- Spojené státy : New York : American Institute of Mining, Metallurgical and Petroleum Engineers, 1974-. -- ISSN 0098-4558 |
| #4204 | JOM : the journal of the Minerals, Metals & Materials Society. -- Warrendale : Minerals, Metals and Materials Society, 1989-. -- ISSN 1047-4838 print. -- ISSN 1543-1851 online |
| #4205 | JOOP. -- New York : SIGS Publications, 1997-2001. -- ISSN 1097-1408 |
| #4206 | JOT. Journal für Oberflächentechnik. -- Wiesbaden : Vieweg und Teubner, 1991-. -- ISSN 0940-8789 print. -- ISSN 2192-869X online |
| #4207 | Journal, Gas. -- London : Benn Publications, 1917-1972. -- ISSN 0016-4941 |
| #4208 | Journal and Proceedings of Institute of Sewage Purification. -- London : Institute of Sewage Purificaton, 1933-1966. -- ISSN 0368-0215 |
| #4209 | Journal and transactions - Society of Engineers. -- Velká Britanie : London : Society of Engineers, 1951-1962. -- ISSN 0037-9867 |
| #4210 | Journal belge de l architecture et de la science des constructions. -- Bruxelles : Ch. Vanderauwera, 1849-1856 |