| #6541 | The Oil engine and gas turbine. -- Velká Británie : London : Temple press, 1946-1964 |
| #6542 | The Paper industry. -- Spojené státy americké : Mount Morris : Fritz Publications, 1949-1965. -- ISSN 0360-6031 |
| #6543 | The Petroleum times. -- Velká Británie : London : Petroleum Times, 1919-. -- ISSN 0031-6547 |
| #6544 | The Photogrammetric record. -- Velká Británie : London : Photogrammetric Society, 1953-. -- ISSN 0031-868X |
| #6545 | The photographic journal. -- Velká Británie : London : Royal Photographic Society, 1895-1944. -- ISSN 1461-9415 |
| #6546 | The photographic journal : official organ of the Royal Photographic Society of Great Britain and the Photographic Alliance. -- Velká Británie : London : Royal Photographic Society, 1956-. -- ISSN 0031-8736 |
| #6547 | The Photographic journal. Section A, Pictorial and general photography : official organ of the Royal Photographic Society of Great Britain and the Photographic Alliance. -- Velká Británie : [London] : Royal Photographic So, 1945-1955. -- ISSN 0370-0224 |
| #6548 | The Plumber & heating engineer. -- Velká Británie : London : Dale Reynolds Publications, 1968-1972. -- ISSN 0032-1648 |
| #6549 | The Post Office electrical engineers' journal. -- Velká Británie : London : Institution of Post Office Electrical Engineers, 1908-. -- ISSN 0032-5287 |
| #6550 | The Proceedings of the Institution of electronics. -- Velká Británie : London : Forum publ,, 1953-1958 |