| #1111 | Proceedings of the Institution of Electrical Engineers. Part 2, Power Engineering. -- Velká Británie : London : Institution of Electrical Engineers, 1949-1954. -- ISSN 0369-8939 |
| #1112 | Proceedings of the Institution of Electrical Engineers. Part 3, Radio and Communication Engineering. -- Velká Británie : Proceedings of the Institution of Electrical Engineers. Part 3, Radio and Communication Engineering, 1949-1954. -- ISSN 0369-8947 |
| #1113 | Proceedings of the Japan Academy, Series B, Physical and biological sciences. -- Tokyo : Japan Academy, 1977-. -- ISSN 0386-2208 |
| #1114 | Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series B, Palaeontology, geology, physics, chemistry, anthropology. -- Amsterdam : North-Holland, 1983-1989. -- ISSN 0920-2250 |
| #1115 | Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. -- Amsterdam : North-Holland, 1990-1997. -- ISSN 0924-8323 |
| #1116 | Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series B, Palaeontology, geology, physics and chemistry. -- Amsterdam : North-Holland, 1976-1983. -- ISSN 0023-3366 |
| #1117 | Proceedings of the National Science Council, Republic of China, Part A, Physical science and engineering. -- Taipei : National Science Council, 1984-. -- ISSN 0255-6588 |
| #1118 | Proceedings of the NIPR Symposium on Upper Atmosphere Physics. -- Tokyo : National Institute of Polar Research, 1988-1998. -- ISSN 0914-5613 |
| #1119 | Proceedings of the Physical Society. -- London : Physical Society, 1926-1948. -- ISSN 0959-5309 |
| #1120 | Proceedings of the Physical Society, Section B. -- London : Physical Society, 1949-1957. -- ISSN 0370-1301 |