Principles of psychology the foundation work of the Aletheian System of philosophy. This book, "Principles of psychology the foundation work of the Alétheian System of philosophy. Volume 1", by Arthur Lynch, is a replication of a book originally published before 1923. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.