Free Pascal Reference Guide
by Michael Van Canneyt
Publisher: freepascal.org 2015
Number of pages: 238
This document serves as the reference for the Pascal language as implemented by the Free Pascal compiler. It describes all Pascal constructs supported by Free Pascal, and lists all supported data types. It is not a tutorial, however.
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by Motaz Abdel Azeem
This book is written for programmers who want to learn Object Pascal Language. It is also suitable as a first programming book for new students and non-programmers. It illustrates general programming techniques in addition to Object Pascal Language.
by Bill Catambay - Academic Press
A review of the Pascal programming language. It addresses the origin of the language, architecture, and language standards. The author confronts the major criticisms of the language, explaining the inaccuracy of the many myths about Pascal.
by Marco Cantu - CreateSpace
An introduction to the Pascal language, as found in Delphi and other development tools. The book is focused on the core Pascal language, with some references to differences or similarities in Delphi for .Net, in Chrome, and in Free Pascal.
by Zarko Gajic - About.com
From the table of contents: introduction to OO basics, class inheritance, classes and objects, the sender parameter and substitution, type inheritance, indirection, association and composition, patterns for varying behaviour, bidirectional links, etc.