http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a simple introduction to the common plants of the United States east of the 100th meridian, both wild and cultivated
by Asa Gray ... Rev. and extended by L.H. Bailey.
"This book is designed to be the companion of the First lessons in botany, which serves as grammar and dictionary."- Pref.