For this purpose, you should be attentive in reading Cardinal Mercier, The Origins of Contemporary Psychology and Psychology. Mr. G. Carrasquilla’s work is more difficult to grasp because it involves a more unsystematic form. For these reasons, it is important to read his complete works. Thanks to Oscar Saldarriaga, I have a copy of his Ph.D dissertation. There are various texts that can contextualize the mind body problem in the nineteenth century that can be consulted in the processes.