Books

Your Mind and How to Use It: A Manual of Practical Psychology Your Mind and How to Use It: A Manual of Practical Psychology
2022
The Law of Attraction The Law of Attraction
2014
Discrete and Continuous Boundary Problems (Enhanced Edition) Discrete and Continuous Boundary Problems (Enhanced Edition)
1964
Multiparameter eigenvalue problems (Enhanced Edition) Multiparameter eigenvalue problems (Enhanced Edition)
1972