Whether the work was ever popular within the schools or without is unclear.
"A Treatise of Schemes and Tropes"
Richard Sherry Commentator: Herbert W. Hildebrandt
The Historical Romance has, if I may be allowed so to speak, four several objects for which to strive: Its first object is, to throw light upon the dark places of history, necessarily left unclear by the historian.
"Old Fritz and the New Era"
Louise Muhlbach
"Remember, Elwar," he had been told, "your objective is clear, but your methods must be most indirect-even unclear.
"Indirection"
Everett B. Cole