Wikipedia, engl.
http://en.wikipedia.org/wiki/Liberty_Hyde_Bailey
Banks, Harlan P. Liberty Hyde Bailey 1858 - 1954. A biographical memoir. 1994
http://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/b...
Seeley, John G. Liberty Hyde Bailey - Father of american horticulture.
http://hortsci.ashspublications.org/content/25/10/1204.full.pdf
Liberty Hyde Bailey. A man for all seasons. Online exhibition
http://rmc.library.cornell.edu/bailey/
Liberty Hyde Bailey Museum
http://libertyhydebailey.org
Liberty Hyde Bailey. Timeline created by lhbm in Biography
http://www.timetoast.com/timelines/liberty-hyde-bailey
Library of the Gray Herbarium Archives
http://botlib.huh.harvard.edu/libraries/archives/BAILEYH.html