Subjects: Correspondance (sorted alphabetically by title)
- Smee, William Ray, 1816-1877 -- Correspondence
- Snow, Erastus Fairbanks, 1818-1888 -- Correspondence
- Soldiers -- Great Britain -- Correspondence
- Soldiers -- United States -- Correspondence
- Statesmen -- Rome -- Correspondence
- Statesmen's spouses -- Great Britain -- Correspondence
- Sterne, Laurence, 1713-1768 -- Correspondence
- Sterne, Laurence, 1713-1768 -- Correspondence -- Translations into French
- Stevenson, Robert Louis, 1850-1894 -- Correspondence
- Stewart, Elinore Pruitt, 1878- -- Correspondence
- Stolberg-Stolberg, Augusta Louise, Gräfin zu, 1753-1835 -- Correspondence
- Swift, Jonathan, 1667-1745 -- Correspondence
- Tagore, Rabindranath, 1861-1941 -- Correspondence
- Temple, William, Sir, 1628-1699 -- Correspondence
- Theologians -- Correspondence
- Theologians -- France -- Correspondence
- Theosophists -- United States -- Correspondence
- Thoreau, Henry David, 1817-1862 -- Correspondence
- Tieck, Ludwig, 1773-1853 -- Correspondence
- Tocqueville, Alexis de, 1805-1859 -- Correspondence
- Traill, Catharine Parr Strickland, 1802-1899 -- Correspondence
- Turgenev, Ivan Sergeevich, 1818-1883 -- Correspondence
- Twain, Mark, 1835-1910 -- Correspondence
- United States. Army -- Records and correspondence
- Victoria, Queen of Great Britain, 1819-1901 -- Correspondence