Object-oriented Programming

Prentice Hall

Design Patterns: Elements of Reusable Object-Oriented Software

O'Reilly UK Ltd.

Head First Design Patterns: Building Extensible and Maintainable Object-Oriented Software

Addison Wesley

Growing Object-Oriented Software, Guided by Tests

Packt Publishing

Python Object-Oriented Programming: Build robust and maintainable object-oriented Python applications and libraries, 4th Edition (English Edition)

Object-Oriented Programming in COMMON LISP: A Programmer's Guide to CLOS by Sonya E. Keene (1989-01-11)

Packt Publishing

Python 3 Object-Oriented Programming.: Build robust and maintainable software with object-oriented design patterns in Python 3.8 (English Edition)

SAP Press

Object-oriented Programming with ABAP Objects    

Independently published

Object-Oriented Programming: Beginner Friendly Guide To OOP

Addison Wesley

Practical Object-Oriented Design: An Agile Primer Using Ruby

Addison Wesley

Object-Oriented Programming: An Evolutionary Approach