| #101 | Bulletin of the Mineral Research and Exploration Institute of Turkey. -- Ankara : Maden Tetkik ve Arama Enstitüsü, 1936-. -- ISSN 0026-4563 |
| #102 | Bulletin of the National Science Museum, Series B Botany. -- Tokyo : National Science Museum, 1975-. -- ISSN 0385-2431 |
| #103 | Bulletin of the National Science Museum, Series A, Zoology. -- Tokyo : National Science Museum, 1975-2006. -- ISSN 0385-2423 |
| #104 | Bulletin of the National Science Museum, Series C, Geology & paleontology. -- Tokyo : National Science Museum, 1975-. -- ISSN 0385-244X print. -- ISSN 1881-9079 online |
| #105 | Bulletin SKIP. -- Praha : Svaz knihovníků a informačních pracovníků České republiky, 1992-. -- ISSN 1210-0927 print. -- ISSN 1213-5828 online |
| #106 | Bulletin Slovenskej botanickej spoločnosti pri Slovenskej akadémii vied. -- Bratislava : Slovenská botanická spoločnosť, 1988- |
| #107 | Bulletins of American paleontology : Paleoecological Studies of South Florida. -- Ithaca : Paleontological Research Institution, 1895-. -- ISSN 0007-5779 |
| #108 | Cahiers scientifiques : Centre de conservation et d'étude des collections. -- Lyon : Muséum d'histoire naturelle, 2000-2007. -- ISSN 1627-3516 |
| #109 | Caldasia, Boletin del Instituto de Ciencias Naturales. -- Bogota : Universidad nacional de Colombia, 1940-. -- ISSN 0366-5232 |
| #110 | Calluna : časopis západočeských botaniků. -- Mullsjö : Västergötlands botaniska förening, 1984-. -- ISSN 2000-2335 |