Heliopolis Baalbek, 1898-1998 : rediscovering the ruins - Ess, Margarete van (Deutsches Archäologisches Institut, Orient-Abteilung, 1998)
"Brochure-catalogue of the exhibition of the same name Baalbek-Lebanon in commemoration of Emperor William II's visit to Baalbek on November 11, 1998 - inaugurated on November 7, 1998"--Facing t.p.
"Direction générale des antiquités du Liban"--Facing t.p.