| #41 | The Journal of the American Dental Association. -- Chicago : American Dental Association Publishing, 1939-. -- ISSN 0002-8177 |
| #42 | The Journal of the Western Society of Periodontology : Periodontal abstracts. -- Santa Monica : Western Society of Periodontology Foundation, 1976-. -- ISSN 0148-4893 |
| #43 | LKS. -- Praha : Česká stomatologická komora, 1991-. -- ISSN 1210-3381 |
| #44 | Monographs in oral science. -- Basel : Karger, 1972-. -- ISSN 0077-0892 |
| #45 | Nippon Dental University annual publications. -- Tokyo : Society of Nippon Dental University, 1964-1996. -- ISSN 0549-5245 |
| #46 | Odontologisk revy. -- Malmö : LiberLäromedel/Gleerup, 1950-1976. -- ISSN 0029-8441 |
| #47 | Oral oncology. -- Oxford : Elsevier Science, 1997-. -- ISSN 1368-8375 print. -- ISSN 1879-0593 online |
| #48 | Oral surgery, oral medicine, oral pathology. -- St. Louis : Mosby, 1948-1994. -- ISSN 0030-4220 |
| #49 | Oral surgery, oral medicine, oral pathology, oral radiology and endodontics. -- St. Louis : Mosby, 1995-. -- ISSN 1079-2104 |
| #50 | Ortodoncie. -- Olomouc : Česká ortodontická společnost, 1992-. -- ISSN 1210-4272 |