Book chapters
Constitutions, Elections and Legislatures of Poland, 1493-1993 by Jacek Jędruch (1998)

Figure 24

Figure 24 - Joint session of the Seym and the Senate in the old Senate Chamber of the Castle of Warsaw. The empty chairs in the forground belong to the Ministers, shown here standing at the far end on both sides of the King, as was customary, during the speech from the throne. From a seventeenth century English copperplate.