The Two Lanterns by Caspar Braun, c. 1920

Sun, Spots on the Sun, Transits of Mercury & Venus from Smith's Illustrated Astronomy by Asa Smith - 1849/1850

Definitions from Smith's Illustrated Astronomy by Asa Smith - 1849/1850

The Seasons from Smith's Illustrated Astronomy by Asa Smith - 1850

Refraction, parallax, light, heat from Smith's Illustrated Astronomy by Asa Smith - 1850

Saturn from Smith's Illustrated Astronomy by Asa Smith - 1850

Centrifugal, Centripetal Force from Smith's Illustrated Astronomy by Asa Smith - 1850

Signs of the Zodiac from Smith's Illustrated Astronomy by Asa Smith - 1850

Venus and Mars from Smith's Illustrated Astronomy by Asa Smith - 1850

Eclipses from Smith's Illustrated Astronomy by Asa Smith - 1850

Greatest Number of Eclipses in one Year from Smith's Illustrated Astronomy by Asa Smith - 1850

“The muscles of man and cat compare favorably, indicating common origins.” . Zoology. 1952.

Zoo Animal Pictograms, National Zoo Pamphlet, Washington, D. C. - 1978

Landmarks and Surface Markings of the Human Body - 1913

Dinosaur Family Tree, The Dinosaur Book - 1951

Italian Hand Gestures, The Evil Eye - 1895

Skeleton of Chicken, Elementary Science - 1908

Variety Act 10 - Man or Reptile or Razor (Varietenummer 10 Mensch oder Reptil oder Rasiermesser) by Moriz Jung, 1907 - Postcard

Variety Act 3 - 132nd Day of Fasting, A. Lucci the Famous Hunger Artist (Varietenummer 3- 132 Hungertag, A. Lucci der Berühmte Hungerkünstler) by Moriz Jung, 1907 - Postcard

Variety Act 6 - Zoltan Toeroek, Child Prodigy (Varieténummer 6- Zoltan Toeroek, Das Wünderkind) by Moriz Jung, 1907 - Postcard

Krampus mit Kind by unknown artist of the Wiener Werkstätte Postkarte No. 542 - c. 1910

First Ascent of Monte Domapozza in the Dolomites (Erstbesteigung des Monte Domapozza in den Dolomiten) by Koloman Moser - c. 1908

Merry Christmas (Fröhliche Weihnachten) by Fritz Zeymer - 1910