• Dumbarton Oaks Inaugural Lectures
  • Guide to the Manuscript Collections in the William L. Clements Library
  • Soldiers of the American Army, 1776–1941
  • Early Houses of the King’s Province in the Narragansett Country
  • A Bibliography of the Strawberry Hill Press, With a Record of the Prices at Which Copies Have Been Sold, Together with a Bibliography and Census of the Detached Pieces
  • The Alphabet and Elements of Lettering, Revised and Enlarged with Many Full-Page Plates and Other Illustrations Drawn and Arranged by the Author
  • Admiral of the Ocean Sea: A Life of Christopher Columbus