Sleep : its physiology, pathology, hygiene, and psychology / by Marie de Manaćeïne.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

Sleep : its physiology, pathology, hygiene, and psychology / by Marie de Manaćeïne. Public Domain Mark. Source: Wellcome Collection.

Provider

This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.