O'Connor, Ellen M., APCS to. Mar. 23, [1876]. March 23, 1876 Berg Coll MSS Whitman (1 leaf) (1 leaf) PostcardsCalder, Ellen M. O'Connor (Recipient) WW Eleven Undated Postcards to Mrs W.D.O'Connor Whitman Archive ID: nyp.00386. Walt Whitman, The Correspondence, ed. Edwin Haviland Miller (New York: New York University Press, 1961–1977), #725, 3:32-33. Series III. Outgoing Correspondence (cont.) O'Connor, Ellen M., APCS to. Nov. 23, [1876]. November 23, 1876 Berg Coll MSS Whitman (1 leaf) (1 leaf) PostcardsCalder, Ellen M. O'Connor (Recipient) WW Eleven Undated Postcards to Mrs W.D.O'Connor Whitman Archive ID: nyp.00388. Walt Whitman, The Correspondence, ed. Edwin Haviland Miller (New York: New York University Press, 1961–1977), #777, 3:65. O'Connor, Ellen M., ALS to. Jul. 26, 1887. July 26, 1887 Berg Coll MSS Whitman (1 leaf) (1 leaf) Calder, Ellen M. O'Connor (Recipient) WW ALS to Mrs O'Connor July 26 1887 Whitman Archive ID: n/a. Walt Whitman, The Correspondence, ed. Edwin Haviland Miller (New York: New York University Press, 1961–1977), #1586, 4:112. O'Connor, Ellen M., APCS to. Aug. 8, 1887. August 8, 1887 Berg Coll MSS Whitman (1 leaf) (1 leaf) PostcardsCalder, Ellen M. O'Connor (Recipient) WW Five Postcards to Mrs W.D.O'Connor Aug. 1887 to Dec. 1888 Whitman Archive ID: n/a. Walt Whitman, The Correspondence, ed. Edwin Haviland Miller (New York: New York University Press, 1961–1977), #1594, 4:115. O'Connor, Ellen M., APCS to. Feb. 16, 1888. February 16, 1888 Berg Coll MSS Whitman (1 leaf) (1 leaf) PostcardsCalder, Ellen M. O'Connor (Recipient) WW Five Postcards to Mrs W.D.O'Connor Aug. 1887 to Dec. 1888 Whitman Archive ID: n/a. Walt Whitman, The Correspondence, ed. Edwin Haviland Miller (New York: New York University Press, 1961–1977), #1672, 4:151. O'Connor, Ellen M., APCS to. Mar. 10, 1888. March 10, 1888 Berg Coll MSS Whitman (1 leaf) (1 leaf) PostcardsCalder, Ellen M. O'Connor (Recipient) WW Five Postcards to Mrs W.D.O'Connor Aug. 1887 to Dec. 1888 Whitman Archive ID: n/a. Walt Whitman, The Correspondence, ed. Edwin Haviland Miller (New York: New York University Press, 1961–1977), #1682, 4:155. O'Connor, Ellen M., APCS to. Dec. 19, 1888. December 19, 1888 Berg Coll MSS Whitman (1 leaf) (1 leaf) PostcardsCalder, Ellen M. O'Connor (Recipient) WW Five Postcards to Mrs W.D.O'Connor Aug. 1887 to Dec. 1888 Whitman Archive ID: n/a. Walt Whitman, The Correspondence, ed. Edwin Haviland Miller (New York: New York University Press, 1961–1977), #1860, 4:250. Guide to the Walt Whitman papers