This second part of the pediatrics manual by R. Jemma, in its 1943 second edition, offers a detailed examination of childhood diseases and clinical approaches relevant to early 20th-century Italian medicine. Structured by pathological systems and age-specific conditions, it addresses infectious diseases, nutritional disorders, and developmental anomalies. The manual reflects the medical knowledge and therapeutic strategies of its time, aiming to support physicians, students, and healthcare personnel involved in pediatric care. It also holds historical value in the study of Italian pediatric education and clinical practice..