{"value"=>"<p>Included here are invitations received by Nelson, 1880s-1910s, chiefly from libraries and book trade organizations; printed material documenting Harvard alumni activities and additional correspondence between Nelson and classmates, 1910s-1920s (a 1920 photograph of the Class of 1860 is included); printed material from Cambridge High School, 1850s; scrapbooks, two manuscript book catalogs, and printed and miscellaneous items.</p> <p>A group of letters that may have been collected by Nelson for their autograph value include three to the publishers Gould and Lincoln from John Dowling, November 15, 1856, Henry Jackson, November 13, 1865, and J. Newton Brown, March 20, 1857, all concerning a book, The Progress of Baptist Principles by a Professor Curtis. Four others, from Rev. F. Wayland, July 12, 1860, Judge Peleg Sprague, September 30, 1852, Cleveland Abbe, October 13, 1870, and C. A. Guillette (or Guilamatti), undated, are unrelated. None are addressed to Nelson.</p>"}