| #201 | Bulletin of the Malaysian Mathematical Society. -- Kuala Lumpur : Malaysian Mathematical Society, 1973-. -- ISSN 0126-6705 |
| #202 | Bulletin of the Polish Academy of Sciences, Mathematics. -- Warszawa : Institute of Mathematics PAS, 1983-. -- ISSN 0239-7269 print. -- ISSN 1732-8985 online |
| #203 | Bulletin of the Polish Academy of Sciences, Technical Sciences. -- Warszawa : Państwowe Wydawnictwo Naukowe, 1983-. -- ISSN 0239-7528 |
| #204 | Bulletin of the Research Council of Israel, Section A: Chemistry. -- Jerusalem : Research Council of Israel, 1957-1963. -- ISSN 0366-2780 |
| #205 | Bulletin of the Research Council of Israel, Section C: Technology. -- Jerusalem : Research Council of Israel, 1955-1963. -- ISSN 0578-9036 |
| #206 | Bulletin of the Tokyo Institute of Technology. -- Tokyo : Tokyo Institute of Technology, 1961-1975. -- ISSN 0366-3736 |
| #207 | Bureau of Standards journal of research. -- Washington : The Bureau, 1928-1934. -- ISSN 0091-1801 |
| #208 | Cahiers du centre d'études de recherche opérationnelle. -- Bruxelles : Institut de statistique de l'ULB, 1958-. -- ISSN 0008-9737 |
| #209 | Calcolo. -- Roma : Springer, 1964-. -- ISSN 0008-0624 print. -- ISSN 1126-5434 online |
| #210 | Calcutta Statistical Association Bulletin. -- Calcutta : Calcutta Statistical Association, 1947-. -- ISSN 0008-0683 |