http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
editing and commentary, Ann Cottrell Free ; photographs by Erica Anderson and others.
Selections from Schweitzer's works, with explanatory material.
Cover title: Animals, nature & Albert Schweitzer.
Includes bibliographical references (pages 74-75).