. "\"This group of the first two parts of the interiors and exteriors shows how beautiful the process was. It was at this time that Baldus gave up his photography business to devote himself to his photogravure business. This title is rarely found in its original wrappers which bear an advertisement of his other books of art reproductions on their back covers.\"--Hanson collection catalog, p. 34." . . "Palais du Louvre et des Tuileries : motifs de décoration intérieure et extérieure tirés des constructions éxécutées au nouveau Louvre et au Palais des Tuileries" . "Pictorial works" . . "Photogravures" . . . . "Heliogravures" . . . . . . . .