Foppens, J. F. Bibliotéca Belgica. Brux., 1680. Vol. I, p. 582.

Génard, Pierre Marie Nicolas Jean. Les globes de Guillaume Blaeu. (Société Geographie d’Anvers. Bulletin. 1883-84. Anvers, 1883. Tom. VIII, pp. 159-160.)

Hues, Robert. Tractatus de Globis. Londinum, 1594.

Jonge, de, J. K. J. De opkomst van het Nederlandsch gezag in Oost-Indie. Verzameling van onuitgeg. stukken in het Oud-koloniale archief. Met Register I-XIII. Gravenhage, 1862-1909. 16 vols.

Kästner, A. G. Geschichte der Mathematik seit der Wiederherstellung der Wissenschaften bis an das Ende des achtzehnten Jahrhunderts. Göttingen, 1796. 2 vols.

Löwenberg. Allgemeine deutsche Biographie. Leipzig, 1875. Vol. II, pp. 686-688.

Lowery, Woodbury. Descriptive List of Maps of Spanish Possessions in the United States, 1502-1820. Edited by Philip Lee Phillips. Washington, Government Printing Office, 1912.

See pp. 133-135 for valuable bibliographical references.

Maxwell, Sir Herbert Eustace. Rainy Days in a Library. New York, F. P. Harper, 1896, pp. 123-129.

A reference to Blaeu’s Atlas, 12 vols., ed. 1667.