Science of Education and the Psychology of the Child
Jean Piaget
Complementation: A Cross-Linguistic Typology
R. M. W. Dixon & Alexandra Y. Aikhenvald
An Introduction to Complex Analysis in Several Variables
L. Hormander
Reader's Digest the Right Word at the Right Time
David & Charles Publishers
The Python Language Reference Manual
Guido van Rossum & Fred L. Jr. Drake
The Knowledge Graph CookBook
Andreas Blumauer & Helmut Nagy