Media type: E-Article Title: Marcus of Orvieto 'On the pelican' Contributor: Etzkorn, Girard J. Published: Project MUSE, 2010 Published in: Franciscan Studies, 68 (2010) 1, Seite 179-185 Language: English DOI: 10.1353/frc.2010.a407006 ISSN: 1945-9718 Keywords: General Earth and Planetary Sciences ; General Environmental Science Origination: Footnote: