| #241 | Quality and quantity. -- Dordrecht : Kluwer Academic Publishers, 1967-. -- ISSN 0033-5177 print. -- ISSN 1573-7845 online |
| #242 | Quantitative marketing and economics. -- Dordrecht : Kluwer Academic Publishers, 2003-. -- ISSN 1570-7156 print. -- ISSN 1573-711X online |
| #243 | Quantum information processing. -- Dordrecht : Kluwer Academic Publishers, 2002-. -- ISSN 1570-0755 print. -- ISSN 1573-1332 online |
| #244 | Queueing systems. -- Amsterdam : Kluwer Academic Publishers, 1986-. -- ISSN 0257-0130 print. -- ISSN 1572-9443 online |
| #245 | The Ramanujan journal. -- Boston : Kluwer Academic Publishers, 1997-. -- ISSN 1382-4090 print. -- ISSN 1572-9303 online |
| #246 | Reading & writing. -- Dordrecht : Kluwer Academic Publishers, 1989-. -- ISSN 0922-4777 print. -- ISSN 1573-0905 online |
| #247 | Real-time systems. -- Boston : Kluwer Academic Publishers, 1989-. -- ISSN 0922-6443 print. -- ISSN 1573-1383 online |
| #248 | Reliable computing. -- Dordrecht : Kluwer Academic Publishers, 1997-. -- ISSN 1385-3139 print. -- ISSN 1573-1340 online |
| #249 | Res publica. -- Dordrecht : Kluwer Academic Publishers, 1995-. -- ISSN 1356-4765 print. -- ISSN 1572-8692 online |
| #250 | Research on language and computation. -- Dordrecht : Kluwer Academic Publishers, 2003-. -- ISSN 1570-7075 print. -- ISSN 1572-8706 online |