Cornell University Library: Division of Rare and Manuscript Collections (website)
- Liberty Hyde Bailey papers, 1854-2004,-1870-1958 (bulk), #21-2-3342
- Liberty Hyde Bailey, New York State College of Agriculture and Agricultural Experiment Station records, 1903-1914, #21-2-84
- Liberty Hyde Bailey Forestry Papers, #21-2-576
- College of Agriculture “Dean’s Hat” items, #21-2-3144
- Liberty Hyde Bailey: A Man for All Seasons digital exhibition
Liberty Hyde Bailey Hortorium (website)
- Liberty Hyde Bailey Hortorium Library
- Liberty Hyde Bailey Hortorium Herbarium (containing Bailey’s herbarium collection, combined with many other botanists’ collections and many new acquisitions, as well as Bailey’s pocket collecting journals, some book manuscripts, photograph albums pertaining to Bailey, and many physical artifacts)
Liberty Hyde Bailey Museum & Gardens (website)
- Collections (scroll to bottom of page—contain over 1,000 volumes of the Bailey Family Library [hundreds signed by Bailey or containing his nameplate], personal correspondence, a corrected copy of his poem chapbook Outlook, and extensive physical artifacts and ephemera)
New York Public Library Archives & Manuscripts (website)
- Macmillan Company records, 1889-1960 [bulk 1895-1950]
Michigan State University Archives and Historical Collections (website)
- Liberty Hyde Bailey Papers, UA.10.3.1
- Jane Taylor Collection, UA.17.292
Harvard University Herbaria & Libraries: Botany Libraries (website)
- Liberty Hyde Bailey, Jr. Carex papers
- Asa Gray correspondence files
- Administrative correspondence of the Gray Herbarium and Harvard University Herbaria
- Walter Deane papers (digitized here, here, and here)
- Botany Libraries photograph collection
- Field notes and plant identification records
- George Golding Kennedy papers (digitized here)
- Jane Gray autograph collection (digitized here)
- Roland Thaxter papers
- Thomas Morong correspondence
- William Gilson Farlow papers
Princeton University Library Department of Special Collections: Manuscripts Division (website)
- Archives of Charles Scribner’s Sons (containing records related to first publication of The Holy Earth and Wind and Weather)
First Congregational Church, UCC, South Haven, Michigan (website)
- Baptismal and membership records of the Baileys in South Haven are housed here.