Note 168 — Chapter III · The Later Development and Scientific Defense of the Copernican System.
Reading edition
The two laws first appeared in 1609 in his Physica Cœlestis tradita commentarius de motu stellæ martis. (Frisch: VIII, 964.) The third he enunciated in his Harmonia Mundi, 1619. (Ibid: VIII, 1013-1017.)