Konrad Siemenroth

Bismarck with Emperor Wilhelm I in a room in the Unter den Linden palace, Berlin Konrad Siemenroth

Portrait of Johann Konrad Sigismund Topp, 1756 Anonymous

Konrad proceeding to Coronation, 1882 Carl Ferdinand Obermann

Wilhelm Konrad von Rontgen, German physicist, 1902. Anonymous

Count Konrad von Kirchberg Anonymous

Portrait of Konrad Wurffel Hans Holbein the Elder

Portrait of Dirk Seimens of Binne Vest Hendrik Pothoven

Heinrich Khunrath, German chemist and alchemist, 1725 Unknown

Konrad Bercovici, c.1930 Anonymous

Siemens, Werner von (1816-1892) Anonymous

St. Augustine c.1435 Konrad Witz

Charles William Siemens, DCL, FRS, German electrical engineer and inventor Lock & Whitfield

Syrmien, Markt und Ruinen des Schlosses Sharengrad Jakob Alt

Hans Heinrich Sievert, German athlete Anonymous

The Liberation of St. Peter, 1444 Konrad Witz

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

Conrad Gesner Swiss School

Portrait of Conrad Crispijn van de Passe I

Philosophy and a Habsburg Emperor Albrecht

The Konigl. Schauspielhaus Berlin, Germany Johann Friedrich Stiehm

Portrait of Dorothea von Stralenburg, Aged 26 Konrad Faber von Kreuznach

Portrait of Ernst Werner von Siemens Anonymous

The Alchemist's Laboratory from Heinrich Khunrath, Amphiteatrum sapientiae aeternae Peter van der Doort (attributed to)

Triumphal Arch (Siegestor) to the Ludwigstrae in Munich, Germany Anonymous

Konigl. Castle of the Knights Hall Berlin, Germany Johann Friedrich Stiehm

Scheme of Christian Kabbalism from Heinrich Khunrath, Amphiteatrum sapientiae aeternae Peter van der Doort (attributed to)

Siege of the Engelenburcht, 1527 Dirck Volckertsz Coornhert