| #6161 | Proceedings of the Cambridge philosophical society : Mathematical and physical sciences. -- London : Cambridge University Press, 1866-1974. -- ISSN 0008-1981 |
| #6162 | Proceedings of the Fujihara Memorial Faculty of Engineering Keio University. -- Japonsko : Tokyo : vl. n., 1950-1970 |
| #6163 | Proceedings of the Chemical Society. -- London : The chemical society, 1957-1964. -- ISSN 0369-8718 |
| #6164 | Proceedings of the IEEE. -- New York : Institute of Electrical and Electronics Engineers, 1963-. -- ISSN 0018-9219 print. -- ISSN 1558-2256 online |
| #6165 | Proceedings of the Imperial Academy. -- Japonsko : Tokyo : Imperial Academy of Japan, 1912-1945. -- ISSN 0369-9846 |
| #6166 | Proceedings of the Indian Academy of Sciences. Section A, Physical Sciences. -- Indie : Bangalore : Indian Academy of Sciences, 1934-1979. -- ISSN 0370-0089 |
| #6167 | Proceedings of the Indian Academy of Sciences. Section B, Biological sciences. -- Indie : Bangalore : Indian Academy of Sciences, 1934-1979. -- ISSN 0370-0097 |
| #6168 | Proceedings of the Institute of British Foundrymen. -- Velká Británie : London : Institute of British Foundryman, 1919-1956. -- ISSN 0369-9862 |
| #6169 | Proceedings of the Institute of Radio Engineers. -- New York : Institute of Radio Engineers, 1913-1938. -- ISSN 0731-5996 print. -- ISSN 2162-6626 online |
| #6170 | Proceedings of the Institution of Civil Engineers, Civil engineering. -- London : Institution of Civil Engineers, 1992-. -- ISSN 0965-089X print. -- ISSN 1751-7672 online |