The Authors collection comprises various manuscripts created by notable historical figures between 1665 and 2005. The bulk of this collection dates from 1790 to 1900, and consists primarily of letters and lithographs. Notable correspondents represented in this collection include Charles Darwin, Isabella Stewart Gardner, Edward Everett Hale, Henry Wadsworth Longfellow, Florence Nightingale, Walker Percy, Wendell Phillips, John Ruskin, Alec Waugh, and William Wordsworth.

Collection is open for research.

James Jeffrey Roche was an Irish-born American journalist, author and diplomat. The collection consists primarily of letters written to Roche. Most of the correspondence is between Roche and Theodore Roosevelt. Other correspondents include diplomats, politicians and literary figures.

Collection is open for research; portions of the collection available digitally.