Notebook maintained by Lt. Comdr. Charles O'Neill while receiving instruction on torpedoes at the Naval Torpedo Station in Newport, R.I. In this volume, O'Neill summarized the weekly instructions and created diagrams and drawings to illustrate parts of the lessons.

Mahan's handwritten notes on: Hilaire Belloc, Living Age, 1900 Dec 15; Creighton, Queen Elizabeth, Bloc III; List of dates, English and French, 1483-1610; Hanse Towns.

Mahan's notes on: War at sea, strategy and tactics: the doctrine, by Gabriel Darrieus; "Corbett and Mahan;" A Synthesis of Naval Strategy, 1689-1697; Corbett's Seven Years War; Corbett's England in the Mediterranean; Daveluy; "Diplomatic Relations Preceding 7 Years War condensed from Corbett; Notes from newspapers with clippings.

Mahan's handwritten research notes on: Niles Register, Nov-Dec 1814; Armstrong War of 1812; Winfield Scott; Report on Canadian Archives; American State Papers, Commerce and Navigation; "Diary of Dr. Usher Parsons of the Lawrences," Rhode Island Historical Society Collection.

Includes a note on form and correlation; Letters to Congress, Vol. 2, 1813-1815; Captain's Letters, 1807-1814.

Mahan's handwritten notes on: Documents Illustrative of American History; Bigelow's Franklin; Egerton, British Colonial Policy; Eliot, Debates on Constitution.

Mahan's handwritten notes on: Green, Town Life; Monson; Ranke; Hunter; Bacon, Henry VII; Gardiner, Henry VII; Creighton, Wolsey.

Mahan's handwritten notes on Stubbs: Lectures; Finlay's Greece, Vols. 1-V; Smith's Wealth of Nations, Vol. II; Summary of Neapolitan Affairs, 1494-1504; Prescott's Ferdinand and Isabella, Vol. III.

Mahan's handwritted notes on: Stubbs, Vol. I; Notes on Rodney, with notes on tactics from other sources; Hawke; Ranke on Seven Years War and character of English Empire; Howe; Note: "Current Memda. For Proposed Book, Sept. 16, 1913;" Fiske, Old Virginia and Neighbors, Vol. I-III.

Mahan's handwritten notes on: Stubbs, Vols. I-III; Social England, Vol. II; Roger's History of Agriculture; Cunningham.