deserted, encyclopedia, book, drawing, Sparrow, Bird, animal, nature, China, Asia, Thuringia, illustration, depiction, Passerine, historic, Songbird, scientific, science, Chinese, drawn, reference book, colorized, Weimar, natural scientific, Germany, natural science, copper engraving, Friedrich Justin Bertuch, hand-colored, hand-coloured copper engraving, Photo panel, illustrated, Bilderbuch für Kinder, no one, encyclopaedia, sketch, True sparrow, open air, People's Republic of China, Thüringen, representation, historical, Oscine, scientific research, colourized, image, German Federal Republic, engraved image, hand-coloured, coloured copper engraving, picture board, No People, research, Republic of Germany, picture panel, nobody, FRG, uninhabited, empty, encylopedias, books, drawings, Sparrows, Birds, animals, illustrations, depictions, Passerines, Songbirds, sciences, reference books, natural sciences, copper engravings, hand-coloured copper engravings, Photo panels, encyclopaedias, historically, Oscines, images, coloured copper engravings, picture boards, picture panels, BRD, China's, depicting, historical image, history image, history images, colored, image motif, engraving, representing, image motifs, etching, motif, motifs,