Lownes Thoreau Collection (Brown University) Thoreau, Henry David, 1817-1862 224 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1609-1875 62 Emerson, Ralph Waldo, 1803-1882 26 Harry Lyman Koopman Collection (Brown University) 22 Sanborn, F. B (Franklin Benjamin), 1831-1917 20 American Culture Class Collection (University of Pennsylvania) 17 Culture Class Collection (University of Pennsylvania) 17 Harding, Walter, 1917-1996 17 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 17 Gotham Book Mart Collection (University of Pennsylvania) 16 Harris Collection of American Poetry and Plays (Brown University) Reference Works 16 Adams, Raymond, 1898-1987 15 Rogers, Bruce, 1870-1957 13 Blake, H. G. O (Harrison Gray Otis), 1816?-1898 12 Riverside Press (Cambridge, Mass.) 11 Thoreau Society 11 Cameron, Kenneth Walter, 1908-2006 10 Channing, William Ellery, 1817-1901 9 Johnson, Clifton, 1865-1940 9 Thoreau, Sophia E 9 Burroughs, John, 1837-1921 8 Allen, Francis H (Francis Henry), 1866-1953 7 Salt, Henry S., 1851-1939 7 Schirmer Collection (Brown University) 7 Alcott, Amos Bronson, 1799-1888 6 Austin Warren Collection (Brown University) 6 Brooks, Van Wyck, 1886-1963 6 Higginson, Thomas Wentworth, 1823-1911 6 Jones, Samuel Arthur, 1834-1912 6 see all ...