The book "Rules and Regulations Governing the Operation of Maternity Hospitals and Homes... September, 1922" is a collection of official rules governing the operation of maternity hospitals and homes in September 1922 in California. The author of this publication is the California State Board of Charities and Corrections. This book provides information on the standards and requirements for facility conditions for expectant mothers, as well as the procedures and requirements that should be followed to provide safe and professional midwifery and childbirth services. Thanks to this edition, the reader can better understand the historical context and the development of legal regulation in the field of care for pregnant women and childbirth in the early 20th century.