| #511 | High performance computing in RIKEN. -- Saitama : The Institute of Physical and Chemical Research (RIKEN), 1996-. -- ISSN 1342-3428 |
| #512 | High technology business. -- Boston : Infotechnology, 1987-1989. -- ISSN 0895-8432 |
| #513 | Higher-order and symbolic computation. -- Dordrecht : Kluwer Academic Publishers, 1998-. -- ISSN 1388-3690 print. -- ISSN 1573-0557 online |
| #514 | Home office computing. -- New York : Scholastic, 1988-2001. -- ISSN 0899-7373 |
| #515 | Hong Kong information technology report. -- London : Business Monitor International, 2005-. -- ISSN 1750-5046 |
| #516 | The HP chronicle. -- Cedar Park : Wilson, 1986-. -- ISSN 0892-2829 |
| #517 | Hungary information technology report. -- London : Business Monitor International, 2005-. -- ISSN 1750-5054 |
| #518 | Channel business. -- Toronto : Rogers Media, 1999-2003. -- ISSN 1493-9088 |
| #519 | Chaos, solitons and fractals. -- Oxford : Pergamon, 1991-. -- ISSN 0960-0779 print. -- ISSN 1873-2887 online |
| #520 | Chem & bio news : Pharmaceutical, biotechnology and chemical industry news. -- Cambridge : CambridgeSoft Corporation, 2004-. -- ISSN 1932-0965 print. -- ISSN 1932-1023 online |