| #5541 | Optics and laser technology. -- Amsterdam : Elsevier, 1970-. -- ISSN 0030-3992 |
| #5542 | Optics and lasers in engineering. -- London : Applied Science Publishers, 1980-. -- ISSN 0143-8166 print. -- ISSN 1873-0302 online |
| #5543 | Optics and Spectroscopy. -- Spojené státy americké : Washington : Optical Society of America, 1960-1961 |
| #5544 | Optics communications. -- Amsterdam : North-Holland, 1969-. -- ISSN 0030-4018 print. -- ISSN 1873-0310 online |
| #5545 | Optics letters. -- Washington : Optical Society of America, 1977-. -- ISSN 0146-9592 print. -- ISSN 1539-4794 online |
| #5546 | Optičeskij žurnal. -- Sankt-Peterburg : Gosudarstvennyj optičeskij institut, 1992-. -- ISSN 1023-5086 |
| #5547 | Optik : international journal for light and electron optics. -- Stuttgart : Wissenschaftliche Verlagsgesellschaft, 1946-. -- ISSN 0030-4026 print. -- ISSN 1618-1336 online |
| #5548 | Optiko-mechaničeskaja promyšlennost’. -- Leningrad : Optičeskij institut im. S.I. Vavilova, 1931-1992. -- ISSN 0030-4042 |
| #5549 | Opto-electronics. -- Velká Británie : London : Chapman and Hall, 1969-1974. -- ISSN 0030-4077 |
| #5550 | OR. -- Velká Británie : London : Operation Research Club, 1953-1969 |