English translation:

Psalm 21. A Hearty thanksgiving and passionate prayer to God of the faithful subjects for the happy government of David their king, for the internal thanksgiving and congratulations of his subjects at the inauguration of the full electoral government of Lord Frederick V, Count Palatinate on the Rhine, the elector and arch-____ of the Holy Roman Empire, Duke in Bavaria, etc., as his electoral grace reached his 18th year on 16 August 1614, by means of divine grace, held in Amberg at the public gathering on 17 August by Johann Salmuth, preacher there

Salmuth, Johann

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