- Government Telegrams and Reports for the Benefit of Commerce
- Printed Copy of A Bill Introduced to the House of Representatives by Mr. Paine, December 16th
- Map and Newspaper Clippings on the Importance of the Signal Service
- Disasters on the Lakes: To Accompany House Bill No. 602, Papers Relative to Losses of Vessels on the Lakes
- Handwritten Copy of an Essay on the Adoption of the Storm Signal Systems, Sent as a Letter to Professor Cleveland Abbe
- Typewritten Copy of a Letter Written by Dr. I. A. Lapham, In Response to one from Prof. Cleveland Abbe, Who was Preparing a Magazine Article
- Printed Copy of A Bill Introduced to the House of Representatives by Mr. Paine, December 16th, With Manuscript Notes
- Printed Copy of a Bill Introduced to the Senate, February 2nd
- Newspaper Clipping Entitled 'Meteorology and Commercial Navigation: Report to the Board of Trade on the Proposed System for the Observation and Signaling of Storms.'
- Newspaper Clipping Entitled 'The Great Storms,' with Manuscript Notes
- Various Newspaper Clippings on Creation of a Storm Signaling System
- Disasters on the Lakes: To Accompany House Bill No. 602, Letter Addressed to the Hon. Halbert E. Paine Relative to Storm Telegraphy
- Newspaper Clipping Entitled 'Water from Pewaukee Lake'
- Typewritten Copy of Professor Cleveland Abbe's Article in the American Journal of Science
- On Storm Signals and Predictions
- Part of a Note from Cleveland Abbe on Lapham's Involvement in the Storm Signal System
- Handwritten Copy of Professor Cleveland Abbe's Article in the American Journal of Science
