Conrad Kiesel (page 4)

19th Century Portrait of Wilhelm Conrad Rontgen from Album de la Science, Savants Illustres, Grandes Decouvertes Anonymous

Portrait of Jan Pietersz Coen, Governor-General of the Dutch East Indies Anonymous

Reception of King Christian I of Denmark by the condottiere, Bartolomeo Colleoni, at the Castle of Malpaga in 1474, 1520-30 Girolamo Romanino

Portrait of Charles I, Landgrave of Hesse-Kassel, 1726 Anonymous

Portrait of Count Pavel Dmitrievich Kiselyov Anonymous

Temptation in the desert Eduwart Hoes Winckel

Representations of old Prussian Castles Countess Dohna

Basel, c.1807 John Henderson

Dr. Frank Conrad First Radio Station in the Garage of His Home in Wilkinsburg Anonymous

Portrait of Countess Elizabeth Esperovna Trubetskaya, née Belosselskaya-Belozerskaya, 18 Franz Xavier Winterhalter

Allegory installation of Ernst Casimir, Count of Nassau, stadtholder of Friesland Pieter Feddes van Harlingen

Portrait of Johann Conrad von Salm, Waldgrave and Rhinegrave van Dhaun Workshop of Jan Antonisz van Ravesteyn

Konrad Bercovici, c.1930 Anonymous

Hermann Kauffmann and Georg Haeselich in Kauffmanns Munich Studio, 1830 Hermann Kauffmann

Still life of branch of gooseberries, with a butterfly, moth, damsel fly and other insects Jan van the Elder Kessel

Butterflies and dragonflies Claes Jansz. Visscher II

Six studies of heads of apostles Cornelis Schut I

Portrait of Syrius de Bethune, Lord of Cogni, Mareuil, le Beysel, Toulon, Conegory and Chastillon Workshop of Michiel Jansz van Mierevelt

Comb jellies. Ctenophorae Ernst Haeckel

Representations of old Prussian Castles Countess Dohna

Portrait of Maria Tesselschade Roemer Visscher Johannes Arnoldus Boland

Dr. Frank Conrad's First Broadcasting Station Anonymous

Stage design for the play Ratibor and Wanda by Konrad Levezow, 1824 Anonymous

Covered Vessel Anonymous

Study of butterflies and other insects Jan van Kessel the Elder

Charles VI, King of France, catches fire at a masquerade party / Ablabius ordered by Constantine the Great to be... Johannes Boekholt

Self-Portrait with girl, 1914-1915 Anonymous

Jar with lid, made for the couple of Johan van Borssele van der Hoge and Anna Margaretha Elisabeth Coninck Anonymous

Compound letters, 800 AD Anonymous

Mother and Child with Geese Adolf Ernst Meissner

Portrait of Coenraad van Hulst Jan Cornelis van Rossum

Atrocities against the people of Lower Austria committed by Polish Cossacks in the service of the emperor, 1620 Pieter van der Aa I

Anneliese Halbe Lovis Corinth

Mountainous Landscape with a Group of Gypsies, 1586-1629 Aegidius Sadeler II

Compound letters, 800 AD Anonymous

The Expulsion from Paradise Giuseppe Cesari