• Aberdeen University
  • Baylor University
  • Beinecke Library, Yale University, New Haven, Connecticut
  • Harry Ransom Library, University of Texas, Austin, TX. Robert Wolfe materials; Greville MacDonald manuscript of GM&Wife; and other material regarding John Ruskin.
  • British Library
  • Huntington Library
  • Huntly Public Library (?)
  • Marion E. Wade Center, Wheaton College, Illinois
  • National Library of Scotland
  • St. Andrews University