OVERVIEW OF KEPLER’S LETTERS

WHICH ARE CONTAINED IN VOLUME VIII, PART 1.

Correspondent and Date	Folio
To a Nobleman of Prague, dated at Prague in the year 1611 . . . . . . . . . . . . . .	343
To Sebastian Faber, without location or date original Latin: "s. l. et d." (sine loco et dato). Sebastian Faber was a physician and a friend of Kepler from his time in Prague. . . . . . . . . . . . . . . . . . . .	377
To the Senate of Löwenberg, dated at Linz, January 2, 1616 . . . . . . . . .	363
To John Frederick, Duke of Württemberg, dated at Linz, without date John Frederick (1582–1628) was the Duke of Württemberg. Kepler, a native of the Duchy, maintained a long correspondence with the Duke, often seeking financial support or interceding on behalf of his mother, Katharina, during her witchcraft trial. . . . . . . . .	371
To the same, dated at Linz, September 1, 1617 . . .	380
To the same, without location, around November 1617 . . . . . .	384
To the same, without location or date . . . . . . . . . .	421
To the same, without location, around mid-August 1620 . . .	437
To the same, without location, October 1620 . . . . . . .	438
To the same, without location, November 1620 . . . . . . .	439
To the same, without location, December 1620 . . . . . . .	452
To the same, without location, May 1621 . . . . . . .	489
To the same, without location, June 1621 . . . . . . .	492