Mainframe Computer Books
COBOL Book With Examples of Program Logic cobol cobal source codes examples
http://www.theamericanprogrammer.com/programming/cobolbook.shtml

Dictionary of the Mainframe World
6000 words and phrases currently in use and from the past, technical and marketing terms, as heard in IBM mainframe computer environments.
http://www.sdsusa.com/dictionary

Computer Associates: Mainframe Software
One of the largest software companies in the world with many products for z/OS, z/VM, VSE/ESA and Linux on the mainframe.
http://www3.ca.com/Solutions/StrategicCategory.asp?ID=340

Mainframe Market Information Service
MMIS is Barry Graham's mainframe hardware and software negotiation consulting practise, including the periodicals Mainframe Market Monitor, Mainframe Market Bulletin and Enterprise Data Center.
http://www.arcati.com/mmis.html

EDS Managed Mainframe Services
EDS’ managed mainframe services provide you with a spectrum of mainframe IT solutions for the IBM z/series platform in a data center environment. Learn about our mainframe services and find details about our mainframe services packages at EDS.com.
http://www.eds.com/services/managedmainframe/

Mainframe Express Assembler Option
Micro Focus' unified environment for mainframe development significantly reduces risks and costs, and offers improved business agility through extension to J2EE, .NET and Web services
http://www.microfocus.com/products/mfeee/

JML Mainframe Consulting
Specializes in Mainframe Technical Consulting Support and Services for z/OS, OS/390, ROSCOE, CICS, DB2, ISV products, DASD, JCL, VSAM, COBOL, and Operation Support utilizing Mainframe technology.
http://www.jmlmainframe.com/

Martec Computer Services Company
Martec Computer Services provides IBM mainframe data center outsourcing services including MVS, OS/390, and z/OS, offering a wide range of professional and data processing services.
http://www.martecsolutions.com

Mainframe Programming
The mainframe continues to grow and transform itself while maintaining its reliability, security and speed. Mainframe skills, however, are hard to find; moreover, it is difficult to train new people as the mainframe environment is not flexible enough. Not everyone can install OS/390, and not eryone can have his or her own mainframe to
http://www.muraleedharan.com/mainframe_programming.html

Your Private Mainframe
Introduction and links about the Intel-based Hercules mainframe emulator, as well as an MVT tutorial and MVS 3.8 binaries and add-ons.
http://www.schaefernet.de/hercules/