Phenoscape Guide to Character Annotation
Wasila Dahdul, James P. Balhoff, Alex Dececchi, Nizar Ibrahim, Paula Mabee · Figshare · 2018
Archived versions (February 2, 2018 and October 21, 2014) of the Phenoscape project's Guide to Character Annotation. The updated version of the Guide is available on the Phenoscape wiki (http://phenoscape.org/wiki/Guide_to_Character_Annotation).