| #2901 | Wiener klinische Wochenschrift. -- Wien : Springer, 1888-. -- ISSN 0043-5325 print. -- ISSN 1613-7671 online |
| #2902 | Wiener medizinische Wochenschrift. -- Wien : Springer, 1931-. -- ISSN 0043-5341 print. -- ISSN 1563-258X online |
| #2903 | Wissenschaftliche Zeitschrift der Humboldt-Universität zu Berlin, Mathematisch-naturwissenschaftliche Reihe. -- Berlin : Humboldt-Universität, 1951-1987. -- ISSN 0522-9863 |
| #2904 | World Health Organization technical report series. -- Geneva : World Health Organization, 1950-. -- ISSN 0512-3054 print. -- ISSN 1996-9139 online |
| #2905 | World Health Organization. WHO drug information. -- Geneva : World Health Organization, 1987-. -- ISSN 1010-9609 print. -- ISSN 1996-8361 online |
| #2906 | World health statistics annual. -- Geneva : World Health Organization, 1965-1996. -- ISSN 0250-3794 |
| #2907 | World health statistics report. -- Geneva : World Health Organization, 1947-1998. -- ISSN 0043-8510 |
| #2908 | World hospitals. -- Oxford : Pergamon, 1964-1993. -- ISSN 0512-3135 |
| #2909 | World journal of surgery. -- New York : Springer, 1977-. -- ISSN 0364-2313 print. -- ISSN 1432-2323 online |
| #2910 | World journal of urology. -- Berlin : Springer, 1983-. -- ISSN 0724-4983 print. -- ISSN 1433-8726 online |