Further Reading: The COBOL Landscape Today

Books

  • Stern, N., Stern, R., & Ley, J. COBOL for the 21st Century (11th edition). Wiley. The most widely used introductory COBOL textbook, useful as a reference for foundational concepts.

  • Murach, M. Murach's Mainframe COBOL. Mike Murach & Associates. A practical, hands-on COBOL text focused on real-world IBM mainframe development.

  • Beyer, K. Grace Hopper and the Invention of the Information Age. MIT Press. A biography of Grace Hopper that provides excellent context for COBOL's origins and design philosophy.

  • Ensmenger, N. The Computer Boys Take Over: Computers, Programmers, and the Politics of Technical Expertise. MIT Press. A history of the programming profession that contextualizes COBOL's role in the emergence of business computing.

Industry Reports and Articles

  • Reuters. "The world's most important tech runs COBOL." A widely cited article that documents COBOL's continued dominance in financial transaction processing.

  • IBM. "The State of COBOL." Annual industry report from IBM documenting COBOL usage statistics, trends, and the talent pipeline.

  • Micro Focus / OpenText. "COBOL Survey" reports. Periodic surveys of COBOL professionals and organizations providing data on usage patterns, modernization strategies, and workforce trends.

  • Government Accountability Office (GAO). "Legacy IT Systems: Agencies Need to Identify and Prioritize Modernization Efforts." A U.S. government report documenting the scope of legacy systems (including COBOL) in federal agencies.

Online Resources

  • IBM Z Xplore (https://www.ibm.com/it-infrastructure/z/education/zxplore) — Free, cloud-based mainframe learning environment. Excellent for hands-on practice.

  • GnuCOBOL (https://gnucobol.sourceforge.io/) — Open-source COBOL compiler. Documentation includes installation guides and language reference.

  • Hercules Emulator (http://www.hercules-390.org/) — Open-source IBM mainframe emulator. Allows you to run z/OS (or equivalent) on a personal computer.

  • COBOL Standards (ISO/IEC 1989) — The formal language standard. Available from ISO (paid) or in draft form from the standards committee.

  • Open Mainframe Project (https://www.openmainframeproject.org/) — A Linux Foundation project promoting open-source mainframe tools and education, including COBOL-related initiatives.

Podcasts and Videos

  • IBM Developer. Various YouTube videos on mainframe modernization, COBOL development, and career paths in mainframe technology.

  • Planet Mainframe. Industry news and commentary covering mainframe technology, including COBOL developments and workforce issues.

Historical Interest

  • CODASYL COBOL Committee Reports — The original committee documents from the 1960s are available in various archives and provide fascinating insight into the design decisions that shaped the language.

  • Grace Hopper's 1984 Letterman Interview — A delightful television appearance where Rear Admiral Hopper explains computing concepts (including the origin of the word "bug") to a general audience. Available on YouTube.