The libraries and archives of @Harvard University. Est. 1638, we are the oldest library system in the country and the world’s largest academic library.
#OTD in 1854, Henry David Thoreau published his famous work Walden. Did you know @HoughtonLib holds the Harvard alum’s personal papers and rare editions of his work, like this annotated copy of Walden from the year it was published? Pay a visit and check it out! https://t.co/3fl8dhvhXE