Books and Sites

These books gave me the idea for these Spiritual Portraits, and helped me formulate the logic underlying the Groja © Program. The sites make much of this information available quickly and easily to those interested in learning more.


Cover of General Description of the Types: red stick figure on a black background
General Description of the Types

Each of these books changed my life!

Psychological Types by Carl Jung, 1921.
You can find Jung's original work for a reasonable price or even for free online Note however that he originally wrote it in German and the translation can be a little difficult to read. Someone new to this (and less interested in the theory) may want to pick up a copy of Isabel Briggs Myers or David Keirsey's books first.
The New Art, the New Life, the Collected Works of Piet Mondrian, edited and translated by Harry Holtzman and Martin S. James, 1986.
Like Jung's, Mondrian's writings can be difficult to read sometimes, but it is well worth the effort it takes to read them. Importantly, he believed strongly that the fact that because opposites in form and color can exist in harmony on a canvas, people who manifest opposites in personality can exist in harmony in our society.
Gifts Differing by Isabel Briggs Myers and Peter Myers, 1980.
This book by the originator of the Myers-Briggs Type Indicator (MBTI) makes Jung's theories easier to understand — and even practical in our day-to-day lifes.
Cover of Concerning the Spiritual in Art: Text with one of Kandinsky's abstract paintings in the center
Concerning the Spiritual in Art
Concerning the Spiritual in Art by Wassily Kandinsky, 1912.
In this book Kandinsky examines society as a whole in the context of history, and teaches us to look past the surface of art and examine how works affect us emotionally. To try to summarize this enlightening book in a single sentence is to do it a great disservice. Fortunately for us it's now available at for free (see the link below).
Point and Line to Plane by Wassily Kandinsky, 1926.
This wonderful book makes a science out of art, breaking down the geometric plane of the artist's into its essential elements: points, lines, and planes. Fortunately for us it's now available at for free (see the link below).
Please Understand Me by David Keirsey and Marilyn Bates, 1984.
This book builds on Jung's and Myers' work. He groups the sixteen types into four temperaments, which makes it a lot easier to see these qualities at work in the people we interact with on a daily basis. It is also a good one to have because it starts off with a short yet accurate quiz that can help you determine your four-letter type fairly quickly.
Please Understand Me II by David Keirsey and Marilyn Bates, 1998.
This updated edition contains the same quiz as the original, but delves more deeply into the descriptions of the four temperaments and how they interact with each other.

You can of course find a copy of any of these at, and probably find most or perhaps even all of them at your local public library.


Much of this information is now online and easily accessible. It helps, though, if you know where to look.
The wikipedia is as good a place as any to get started. There are pages on the site about the painters Piet Mondrian and Wassily Kandinsky. And there are pages about the psychologists and their theories of personality types. There are pages about Carl Jung and his book Psychological Types. There are pages about Isabel Briggs Myers, her book Gifts Differing, and the MBTI ®. And there are pages about David Keirsey, his book Please Understand Me, and the Keirsey Temperament Sorter. There's never a dull moment when a curious mind has access to the wikipedia!
If you'd rather hear from these people than about them, then is the site for you! There are quotes from Carl Jung and Isabel Briggs Myers on the Psychological Type, page. The site also includes pages with quotes by Piet Mondrian, Wassily Kandinsky, and more from Carl Jung.
This is where you can find free copies of the two books by Kandinsky mentioned above, Concerning the Spiritual in Art and Point and Line to Plane.
Myers and Briggs Foundation
Keeping the spirit of Isabel Briggs Meyers alive, the Myers and Briggs Foundation site is full of resources, including information about taking the MBTI ® Instrument and becoming certified through their MBTI ® Certification Program.
There's plenty to see and learn at! In addition to descriptions of the four temperaments and copies of his book, he offers assessments, analysis, and coaching.
Ready to learn what your four-letter type is without further ado? Head on over to the Jung Typology Test ™ at This interesting site has additional tests and interesting related resources, such as some that can help you with your marriage and job.
Last but not least,'s sibling site, is host to a gallery full of Spiritual Portraits and the Groja © Quiz.