Theories

Alfred Adler

Psychological Birth Order (Family Constellation)
http://psychologyessence.blogspot.com/2016/08/alfred-adlers-theory-of-psychological.html


Albert Ellis

What is Cognitive Behavioral Therapy (CBT)?
http://psychologyessence.blogspot.com/2016/09/what-is-cognitive-behavioral-therapy-cbt.html

What is Rational Emotive Behavior Therapy (REBT)?
http://psychologyessence.blogspot.com/2016/09/what-is-rational-emotive-behavior.html


Sigmund Freud 

Introduction to Freud's Psychoanalysis
http://psychologyessence.blogspot.com/2016/04/introduction-to-freuds-psychoanalysis.html


Wilhelm Wundt

Wilhelm Wundt's  Methodology and Rules of Introspection
http://psychologyessence.blogspot.com/2016/04/introduction-to-freuds-psychoanalysis.html