- Letter from Willis L. Moore to Julia Alcott Lapham
- Letter from Frank A. Hutchins to Julia Alcott Lapham
- Letter from Cleveland Abbe to Julia Alcott Lapham
- Letter from Lyster H. Dewey to Julia Alcott Lapham, May 31st
- Letter from Lyster H. Dewey to Julia Alcott Lapham, June 9th
- Letter from Lyster H. Dewey to Julia Alcott Lapham, June 11th
- Letter from Henry E. Legler to Julia Alcott Lapham, November 12th
- Letter from Henry E. Legler to Julia Alcott Lapham, December 3rd
- Letter from Edward Sylvester Morse to Miss Lapham
- Letter from Margarette W. Brooks to Miss Lapham
- Letter from Wilford M. Wilson to Mary Jane Lapham
- Letter from Charles E. Brown to Mary Jane Lapham
- Letter from William J. Bennetts to Mary Jane and Julia Alcott Lapham
- Letter from George P. Merrill to Julia Alcott Lapham, December 9th
- Letter from George P. Merrill to Julia Alcott Lapham, December 19th
- Note of Items Sent to Professor Merrill at the Smithsonian Institute
- Letter from George P. Merrill to Julia Alcott Lapham, December 26th
- Letter from Harlan Ingersoll Smith to Mary Jane Lapham
- Letter from Charles H. Doerflinger to Julia Alcott Lapham
- Letter from Frederick Starr to Julia Alcott Lapham, March 12th
- Letter from Frederick Starr to Julia Alcott Lapham, March 17th
- Letter from Harlan Ingersoll Smith to Mary Jane Lapham
- Original Newspaper Clipping "In the Pioneer Days"
- Letter from Publius Virgilius Lawson
- Original Newspaper Clipping "Sudden Rises of Inland Lakes"
- Letter from William M. Wilson to Miss Lapham
- Letter from Jenny H. Miller (?)
- Letter from William C. Mills to Mary Jane Lapham
- Letter from George P. Merrill to Julia Alcott Lapham
- Letter from Henry L. Ward to Julia Alcott Lapham
- Letter from Fannie M. D. Galloway to Miss Lapham
- Letter from Oliver L. Fassig to Mary Jane Lapham
- Letter from Harlan Ingersoll Smith to Julia Alcott Lapham
- Form Letter from The Evening Wisconsin Company to Julia Alcott Lapham for her Article
- Letter from Charles E. Monroe to Mary Jane Lapham
- Various Original Newspaper Clippings Written by Julia Alcott Lapham on Behalf of the Wisconsin Archeological Society Calling for the People to Send Information and Artifacts on the Indian Mounds to the Society for Study and Preservation
- Letter from Julia Alcott Lapham to Mr. Brown
- Letter from Henry E. Legler to Julia Alcott Lapham
- Names of Milwaukee Streets
- East Side Streets
- West Side Streets
- South Side Streets
- Handwritten Essay on Milwaukee Street Names by Julia Alcott Lapham
- List and Description of Increase Allen Lapham's Maps
- Typewritten Letter from Halbert E. Paine to Duane Mowry
- Letter from Publius Virgilius Lawson to Julia Alcott Lapham
- From Henry Lapham's Letter, November 3rd, 1903: Milwaukee Streets
- Portion of a Letter from Samuel P. Langley to Duane Mowry
- Letter from John G. Gregory to Julia Alcott Lapham
- Letter from Duane Mowry to Miss Lapham
- Social Life at the Early Forts: Compiled for the Oconomowoc Fortnight Club
- Letter from Henry E. Legler to Julia Alcott Lapham
- Original Newspaper Clipping on Duane Mowry's Article on James Gates Percival
- Form Letter from The Evening Wisconsin Company to Julia Alcott Lapham for her Article on Milwaukee Street Names
- Letter from James W. Fertig to Julia Alcott Lapham
- Letter from Edmund M. Barton to Miss Lapham
- Schools Name
- Letter from Reuben G. Thwaites to Julia Alcott Lapham
- Schools Named: The Name of Lapham Given to One of the Institutions of Learning at the State Capital
- Letter from Duane Mowry to Charles Lapham
- Letter from Willis L. Moore to Julia Alcott Lapham
- A Reminder of Dr. Lapham
- Letter from William M. Wilson to Miss Lapham
- Letter from John G. Gregory to Julia Alcott Lapham
- Letter from George P. Merrill to Julia Alcott Lapham
- Letter from James W. Fertig to Miss Lapham