This document discusses various philosophical foundations and theories relevant to social work. It outlines several key thinkers and their theories, including Immanuel Kant's view on treating humanity as an end in itself. It also summarizes three major conceptual views in social work - positivism, constructivism, and pragmatism. Additionally, it outlines theories such as conflict theory, development theory, family life cycle theory, grounded theory, and psychoanalytic, psychosocial, functional, behavior modification, systems, social constructionist, social learning, electic, and transpersonal theories. The document provides an overview of philosophical perspectives and theoretical frameworks important to the field of social work.