R. L · R. Lincoln · Ray Lincoln · W.L.
Apex Publications · Carlton Press
| title | ISBN-13 | year of publication |
|---|---|---|
| I Can, I Really Can | 978-0-8062-0275-4 | 1975 |
| I May Frustrate You, But I'm a Keeper | 978-0-9842633-9-4 | 2009 |
| Innerkinetics - Your Blueprint to Success and Happiness | 978-0-9842633-7-0 | 2011 |
| The Innerkinetics of Type | 978-0-9842633-0-1 | 2012 |