The Thoreau collection contains correspondence, writings, photographs, and objects relating to Henry David Thoreau. There are several original manuscripts, including notes on insects, weather, and natural phenomena, and drafts of poems, an untitled essay, the article "The Discovery of America, and Researches in Central Africa," and the concluding paragraphs to Walden. There is also an essay on Thoreau by Francis Sheldon and George Shiras with photographs by Roland Wells Robbins and Edwin Way Teale. There are photographs of Thoreau's residences in Massachusetts, including his childhood home in Concord and the site of his cabin at Walden Pond. Objects include pieces of wood and nails from Thoreau's cabin and pencils manufactured by his father's company, J. Thoreau & Co.