Systematic Desensitization is what Wolpe is most famous for.
Bergey's Manual of Systematic Bacteriology | Systematic Entomology | Systematic Botany | systematic | Systematic review | Systematic Paris-Region | Systematic Evolution of Ligands by Exponential Enrichment | Systematic Desensitization | Systematic desensitization | systematic botany | Systematic (band) | Systematic | Journal of Systematic Palaeontology | International Journal of Systematic and Evolutionary Microbiology | Homologous desensitization |