| #1201 | World oil. -- Houston : Gulf, 1947-. -- ISSN 0043-8790 |
| #1202 | World pumps. -- Morden : Trade & Technical Press, 1982-. -- ISSN 0262-1762 print. -- ISSN 1873-2593 online |
| #1203 | World surface coatings abstracts. -- Teddington : Paint Research Assoc., 1969-. -- ISSN 0043-9088 |
| #1204 | World's paper trade review. -- Velká Británie : London : Stonhill and Gillis Ltd., [1879]-1972, 1879-1972. -- ISSN 0043-9320 |
| #1205 | WT. Werkstattstechnik. -- Berlin : Springer, 1959-1991. -- ISSN 0340-4544 |
| #1206 | Yacht : časopis o lodích. -- Praha : Yacht, 1994-. -- ISSN 1211-0493 |
| #1207 | Yearbook and List of Members - Institution of Engineers and Shipbuilders in Scotland. -- Velká Británie : London : Institution of Engineers and Shipbuilders in Scotland, 1900-1990 |
| #1208 | Yearly proceedings - Association of Iron and Steel Engineers : Reprinted from Iron and steel engineer. -- Spojené státy americké : Pittsburgh : AISE, [1938-1994], 1938-1994 |
| #1209 | Zaŝita metallov. -- Moskva : Nauka, 1965-2008. -- ISSN 0044-1856 |
| #1210 | Zagadnienia Eksploatacji Maszyn. -- Warszawa : Państwowe Wydawnictwo Naukowe, 1973-. -- ISSN 0137-5474 |