| #5271 | National Diet Library newsletter. -- Tokyo : National Diet Library, 1963-1998. -- ISSN 0027-9161 print. -- ISSN 1344-7238 online |
| #5272 | National geographic. -- Washington : The National Geographic Society, 1959-. -- ISSN 0027-9358 |
| #5273 | National Geographic Česká republika. -- Praha : Sanoma Magazines, 2002-. -- ISSN 1213-9394 |
| #5274 | The National geographic magazine. -- Washington : National Geographic Society, 1888-1959. -- ISSN 1044-6613 |
| #5275 | National institute economic review. -- London : National Institute of Economic and Social Research, 1959-. -- ISSN 0027-9501 print. -- ISSN 1741-3036 online |
| #5276 | National petroleum news. -- Cleveland : National Petroleum Pub. Co., 1909-. -- ISSN 0149-5267 |
| #5277 | National Telephone Journal. -- London : A. Anns, 1906-1912 |
| #5278 | Natural resources forum. -- Oxford : Blackwell Publishers Limited, 1976-. -- ISSN 0165-0203 print. -- ISSN 1477-8947 online |
| #5279 | Natural Rubber News. -- Washington : Malaysian Rubber Research and Development Board, 1950-1988. -- ISSN 0028-0755 |
| #5280 | Natural rubber technical information sheet. -- United Kingdom : Brickendonbury : Malaysian Rubber Producers´ Research Association, 1964-. -- ISSN 0307-8183 |