1 “... of Critical Points, Caustics and Wave Fronts was the first of two volumes that together formed a translation...”

2 “... of Integrals was the second of two volumes that together formed a translation of the authors' influential...”

3 Table of Contents: “... l'hydrodynamique et de la magnétohydrodynamique (in English) -- 47 Translator's Preface to J. Milnor's book "Morse...”