All categories- 19th Century - Life in Germany
- Agriculture, Countrymen, Farm
- Anatomy - Bones, Skeleton, ...
- Animals - Zoology, Beasts
- Beetles, Insects
- Birds, Nests & Eggs
- Butterflies, Moths
- Corals, Sponges, Polyps
- Dolphin, Whales
- Fish, Reptiles, Amphibia
- Mammals
- Marsupials, Australian Animals
- Monkeys, Apes, Primates
- Mussels, Shells, Snails
- Prehistoric, Dinosaurs
- Sea Urchin, Jelly & Starfish
- Spiders, Crustaceans, Mites
- variegated Animals
- Walrus, Sea Lion, Seal
- Worms, Leeches, Infusoria
- Antiquity, Ancient World
- Architecture
- Atlases, Globes, Maps
- Berge 1870 - Butterflies
- Boelsche - Dinosaurs, Urwelt
- Botanical - Fruits, Flowers...
- Buch der Welt - Book of World
- Cuvier 1851 - Animal Kingdom
- Ethnic, Human Races
- Fossils, Geology, Ground
- Fraas - Fossilien, Fossils
- Gramberg - Mushrooms, Pilze
- Guerin 1834 Histoire Naturelle
- Haufe 1891 - Natural History
- Historic Sights, Famous Places
- Hoffmann 1899 - Birds - Vögel
- Hofmann 1889 - Butterflies
- Hänselmann/Kolb 1868
- Instructive Picture Book 1860
- Jardine - Naturalist's Library
- Kenngott - Mineralogy, Geology
- Kerner 1896 - Plant Life
- Landscape, Seescape
- Leutemann 1880 - Bilderbogen
- Liveries, Costumes
- Lutz 1899 - Natural History
- Marshall 1906 Natural History
- Martin 1844 - Natural History
- Martin 1861 - Natural History
- Martin 1890 - Naturgeschichte
- Martin 1899 - Natural History
- Meyers Konversations-Lexikon
- Mineralogy, Stones, Gems
- Mountains, Volcanoes
- Mushrooms, Moss, Lichen, Algae
- Oken 1843 - Natural History
- Portraits, Famous Persons
- Pycraft - Natural History
- Rebau 1829 - Natural History
- Rebau 1866 - Natural History
- Religion, Inspiration, Church
- Roesel 1747 - Insektenbelust.
- Schellenberg 1795 Vlinders
- Schmeil 1908 - Botany Textbook
- Schneider's Typen-Atlas 1881
- Schreber 1775 Fantastic Beasts
- Schreiber - Kleiner Atlas...
- Schreiber 1842 - Natural Hist.
- Schubert 1869 Natural History
- Schubert 1886 Natural History
- Science
- Sträßle 1873 - Natural History
- Tempsky 1886 - Natural History
- Waeber 1896 - Botany
- Wagner 1869 - Natural History
- Wagner 1890 - Naturgeschichte
- Walther 1891 - Familienbuch
- Wild Animals 1875
- Willkomm/Köhne 1909 - Botany
- Willkomm/Schubert 1887 Botany
