The collection consists chiefly of correspondence of Annette Covington with Luther P. Eisenhart related to the "Baconian" theory of the authorship of Shakespeare's plays. A large portion of the material is in photocopy, with some annotations and corrections by the author. There are letters about Bacon's concealed cipher messages relating to the esoteric secrets of the Rosicrucians to be found in William Shakespeare's works. Covington used illustrations and diagrams to demonstrate her discoveries. Included is a copy of such a discovery which she presented "For the President of Princeton University," dated July 3, 1936. It consists of a diagram of the initials of the names of Francis Bacon's parents found in the title of his Instauratio Magna. In addition, there is a scrapbook which Covington presented to Eisenhart, containing newspaper clippings from The Madisonville Bulletin, in Cincinnati, Ohio. There is also one envelope of material sent to Princeton University Librarian Julian Boyd regarding the painting Doge by the Italian painter Tintoretto. Covington sent the material and photostats of the ciphers to Eisenhart, who was dean of the Graduate School at Princeton University, for safekeeping.