Nees (1986), p. 3. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Heitz (1994), p. 170. Heitz, C. (1994). "Nouvelles perspectives pour le Plan de Saint Gall". Bulletin de la Société Nationale des Antiquaires de France pour 1992. 1992: 169–173. doi:10.3406/bsnaf.1994.9735.
Nees (1986), p. 3 Citing W. Horn. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), p. 4. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), pp. 4–5. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), p. 3. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), p. 3 Citing W. Horn. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), p. 4. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), pp. 4–5. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), p. 3. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), p. 3 Citing W. Horn. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), p. 4. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.
Nees (1986), pp. 4–5. Nees, L. (1986). "The Plan of Saint Gall and the Theory of the Program of Carolingian Art". Gesta. 25 (1 – Essays in Honor of Whitney Snow Stoddard): 1–8. doi:10.2307/766891. JSTOR766891. S2CID163824526.