Biodiversity Heritage Library
By "Howell, John Thomas, 1903-"
John Thomas Howell botanical collecting notebook,
By: Howell, John Thomas, - California Academy of Sciences.
Contributed by: California Academy of Sciences
BHL Collections: California Academy of Sciences
Leaflets of western botany.
By: Eastwood, Alice, - Howell, John Thomas,
Publication info: San Fransisco:[J. T. Howell],1932-1966.
Contributed by: The LuEsther T Mertz Library, The New York Botanical Garden
BHL Collections: Early Women in Science | New York Botanical Garden