This document discusses medical databases and networking. It provides background on what databases and medical databases are. It then discusses the origin and classification of medical databases. Several specific medical databases are listed and described briefly. The document also discusses the National Library of Medicine's role in developing search and retrieval programs. Key databases like MEDLINE and GPnotebook are summarized. The relationship between networking and databases is explored, how they enable data sharing and integration. Problems that arose and developments that helped advance medical databases and networking are noted.