| #331 | The Welder. -- Waltham Cross : British Oxygen Company, 1930-1979. -- ISSN 0043-2237 |
| #332 | Welding Canada. -- Toronto : Maclean Hunter, 1996-. -- ISSN 1482-7425 |
| #333 | Welding review international. -- Redhill : International Business and Technical Magazines, 1991-. -- ISSN 1472-1872 |
| #334 | Werkzeuge zur Verpannungs des Metalls. -- Německo : Leipzig : Baumgärtners Buchhandlung, 1921 |
| #335 | Western Machinery and Steel World. -- Francie : Greenbae : H.M. Leete, 1921- |
| #336 | Western Metalworking. -- Spojené státy americké : Los Angeles : Jenkins Publications, 1958-1965. -- ISSN 0096-6479 |
| #337 | What's new in welding. -- Toronto : Maclean Hunter, 1992-1996. -- ISSN 1191-9833 |
| #338 | World ceramics & refractories. -- London : London & Sheffield, 1990-. -- ISSN 0959-6127 |
| #339 | World non-ferrous metal statistics. -- Velká Británie : Birmingham : British Bureau of Non-Ferrous Metal Statistics, 1948-1967 |
| #340 | World of metallurgy, Erzmetall. -- Clausthal-Zellerfeld : GDMB-Medienverlag, 2004-. -- ISSN 1613-2394 |