Bibliothèque de feu M.Hector de Backer. (complete in 5 parts, 7 sales).Book Auction Sale Catalogue. Paris, Libraire Giraud-Badin .

"5. In-8°, 28,5 x 19,5 cm, 5 parts; first sale in 3 vols, second sale in one vol , 3rd , 4th & 5th sale in one vol, with 8 b/w plates of bindings, bound in one thick volume, sewn, with orig. wrappers (some spines damaged); 3797 + 903 lots. Very important collection of the former president of the Belgian Société des Bibliophiles, with a preface by Abel Lefranc."