Baudet finds that the first issue of this was in 1618.

Zeespiegel, inhoudende een korte onderwysinghe in de konst der zeevaert, en beschryvinghe der seen en kusten van de Oostersche, Noordsche en Westersche schipvaert ... door Willem Jansz. Blaeuw ... Amsterdam, W. Jz. Blaeuw ... 1623.

Reissued by John Blaeu, corrected and enlarged, in 1650.

Tafelen van de declinatie der Sonne, ende der voornaemste vaste sterren Mitsgaders van ’t verscheyden gebruyck der Noordsterre Nieulycx, allen Zeevaerenden ten dienst, ghecalculeert door Willem Jansz. Blauw. t’ Amsterdam. By Willem Jansz. Blauw in de gulde Sonnewyser met Privilegie Anno 1625.

Appendix Theatri A. Ortelii et Atlantis G. Mercatoris continens tabulas geograph. diversarum orbis regionum nunc. prim. editas cum descriptionibus. Amst., apud Guilj. Blaeuw, 1631.

Het nieuwe Licht der zeevaert ofte havenwyser van de Oostersche, Noordsche en Westersche zeen. Amst., W. Jz. Blaeu ... 1634.

Toonneel des aerdrycx ofte nieuwe Atlas, dat is beschryving van all landen; nu nieulycx uytgegeven ... Amst., Guilj. et Joh. B., 1635.

Two parts, with third part added in 1642. June 24, 1634, Blaeu wrote to his friend Schickard: “I have published the first part of my atlas, containing 160 maps, with the description in German, translated from the Latin. Next fall, I shall publish the Latin, French and Dutch text.”

Theatrum orbis terrarum, sive Atlas novus, in quo tabulae et descriptiones omnium regionum ... Amst., Guil. et Joa. Blaeu, 1635. 2 vols.

A French edition was issued in 1638; a Latin, Dutch, French and German edition, in three volumes, in 1640; a Dutch edition in 1642; a fourth volume in Latin, Dutch, French and German in 1646; a six-volume edition in 1649-1655.