Design Patterns: Elements of Reusable Object-Oriented Software
Erich Gamma & Richard Helm & Ralph Johnson & John Vlissides
Infinity in Inversive Geometry
cut-the-knot.org
Spring REST: Building Java Microservices and Cloud Applications
Balaji Varanasi & Maxim Bartkov
PayPal APIs: Up and Running
Matthew A. Russell
TEXDraw Manual
Wildan
Piaget's Theory of Intellectual Development
Herbert Ginsburg & Sylvia Opper
Piaget for Teachers
Hans G. Furth
Philosophy of Religion
John Hick
Philosophy of Natural Science
Carl Gustav Hempel
An Introduction to Theories of Learning
B. R. Hergenhahn & Matthew H. Olson
A History of the English Language
Albert Croll Baugh & Thomas Cable
Help Your Baby Learn: 100 Piaget-Based Activities
Stephen Lehane
Encyclopedia of World Cultures - Volume X - Index
David Levinson
Encyclopedia of World Cultures
Computer Graphics
Donald Hearn & M. Pauline Baker
Child Psychology
Wallace A. Kennedy
Algorithms and Complexity
Herbert S. Wilf