Boston: Birkhauser, 1997. Cloth no dust jacket Quarto. Hardcover. Green boards xiv+317pp. Excellent collection of papers with titles such as "Microstructures of Composites of Extremal Rigidity and Exact Bounds on the Associated Energy Density." Yum. Part of the Progress in Nonlinear Differential Equations and Their Applications series.
Paris: Gauthier-Villars, 1914. Hardcover Octavo no dust jacket. Hardcover. half green cloth, marbled boards and end papers, gilt lettering to spine, no dust jacket, 212 pp, text in French inscribed by translator to half-title page, ex-library with sticker to lower spine and stamps to half-title page.