The evolution of Babbage's calculating engines

Babbage and Aiken

IEEE Annals of the History of Computing

Babbage's Expectations for his Engines

IEEE Annals of the History of Computing

Babbage's Analytical Engine Plans 28 and 28a-The Programmer's Interface

IEEE Annals of the History of Computing

Comments, Queries, and Debate

IEEE Annals of the History of Computing

Charles Babbage as an Algorithmic Thinker

IEEE Annals of the History of Computing

The Origins of Computer Programming

IEEE Annals of the History of Computing

Analytical engine

Encyclopedia of Computer Science

Difference engine

Encyclopedia of Computer Science

The Construction of Charles Babbage's Difference Engine No. 2

IEEE Annals of the History of Computing

Agent-oriented programming: from prolog to guarded definite clauses

Agent-oriented programming: from prolog to guarded definite clauses

A fast segmentation algorithm for piecewise polynomial numeric function generators

Journal of Computational and Applied Mathematics

A multiple-state micro-mechanical programmable memory

Microelectronic Engineering

Pre-electronic computing

Dependable and Historic Computing