Lon R. Shelby

135-138 (co-authored with Lon R. Shelby).

"Villard de Honnecourt," Dictionary of the Middle Ages, vol.11 (New York, 1986), p. 448.

"A Note on the Bibliographic Terminology in the Portfolio of Villard de Honnecourt," Manuscripta, vol.31 (1987), pp.71-76.

Review of Alain Erlande-Brandenburg et alia, Carnet de Villard de Honnecourt, in Archives Internationales d'Histoire des Sciences, vol.37 (1987), pp.191-193.

"Codicology in the Portfolio of Villard de Honnecourt (Paris, Bibliothèque nationale, MS Fr 19093)," Scriptorium, vol.62 (1988), pp.20-48 (co-authored with Lon R. Shelby).

"Le 'problème' Villard de Honnecourt," Les bâtisseurs des cathédrales gothiques (Strasbourg, 1989), pp.
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"The Portfolio of Villard de Honnecourt: A New Codicological Analysis of MS Fr 19093 in the Bibliothèque nationale in Paris," VIIIth Saint Louis Conference on Manuscript Studies, Saint Louis University, Saint Louis, MO, 1981 (presented in collaboration with Lon R. Shelby)

An excerpt from Inland Architect Nov. 1971- "A Cave of a House In Southern Illinois" by Lon R. Shelby an Associate Professor of History At Southern Illinois University and former colleague Of Hugh Duncan.

Detailed codicological examination of the cover and its contents (see Barnes and Shelby, 1988.1) proves that it is more accurate to term the assemblage of Villard's drawings a "portfolio" in the dual sense given in the American Heritage Dictionary: 1. a portable case for holding material, such as loose papers, photographs, or drawings; 2. the materials collected in such a case, especially when representative of a person's work.
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I am especially grateful to the following for having provided materials otherwise inaccessible to me: László Gerevich (Hungarian Academy of Sciences, Budapest), Gloria Gilmore-House (International Center of Medieval Art, The Cloisters), Jean Gimpel (Gimpel Fils, London), Peter Kurmann (Free University, Berlin), Walter C. Leedy (Cleveland State University), Stephen Murray (Columbia University), Lon R. Shelby (Southern Illinois University, Carbondale), Thomas Thieme (Chalmers School of Architecture, Göteborg), Harry B. Titus, Jr.(Wake Forest University), and Jan van der Meulen (Cleveland State University).

The significance of this has been characterized best by Lon R. Shelby: "Even a brief perusal of the contents ,of the Villard portfolio, should convince a reader that it is not an illustrated textbook; at the most it is a texted illustration-book."(27)

The French view of the Villard portfolio as an album in the sense of a prefabricated sketchbook of bound, blank leaves is untenable.(28) The best that can be said is that over an unspecified period of time Villard made a number of drawings of diverse subjects, including architecture.These drawings he ultimately decided to inscribe, or to have inscribed, for an unspecified audience.
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(24) See Carl F. Barnes, Jr. and Lon R. Shelby, "The Codicology of the Portfolio of Villard de Honnecourt (Paris, Bibliothèque nationale, MS Fr. 19093)," Scriptorium, 42 (1988), pp.20-48.
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For the view that these drawings and inscriptions were not copied from an existing treatise on practical geometry, see Lon R. Shelby, "The Geometric Knowledge of Mediaeval Master Masons," Speculum, 47 (1972), pp.395-421, esp. pp.408-409.
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(44) John G. Hawthorne and Cyril Stanley Smith, eds., The Treatise of Theophilus, Chicago, 1963; Lon R. Shelby, Gothic Design Techniques, the Fifteenth-Century Design Booklets of Mathes Roriczer and Hanns Schmuttermayer, Carbondale and Edwardsville, 1977.
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This was discovered through examination of the portfolio by Lon R. Shelby in 1981, although as early as 1949 Louise Lefrançois Pillion, "Un Maître d'oeuvre," p. 67, had written that it was her instinct that the figures on these folios came before the geometry.

5. Carl F. Barnes, Jr. and Lon R. Shelby, "The Codicology of the Portfolio of Villard de Honnecourt (Paris, Bibliothèque nationale, MS Fr 19093)," Scriptorium, vol.