BAUDET, P. J. H. Leven en werken van Willem Jansz. Blaeu. Uitgegeven door het Provincial Utrechtsch genootschap van kunsten en wetenschappen. XIII, 178 pp. Utrecht, C. van der Post, Jr., 1871. ---- Naschrift, 30 pp. 1872. BAUDET, P. J. H. Notice sur la part prise par Willem Jansz. Blaeu (1571-1638) dans la determination des longitudes terrestres. Utrecht, K. A. Manssen, 1875. BAUMGARTEN, JOHANNES. Zwei alte Globen von Blaeu. Erdkugel von 1599 und Himmel-Globis von 1603. (Das Ausland, 13. April, 1885. Stuttgart, 1885. No. 15, pp. 299-300.) CLEMENT, DAVID. (Bibliothèque Curieuse. Göttingen, 1750-1760. Vol. IV, pp. 267-276.) A bibliography of the Blaeu Atlases. DOZY, CHARLES M. Willem Janszoon Blaeu. (Tijdschrift van het Nederlandsch aardrijkskundig genootschap, gevestigt te Amsterdam 1887. 2de Serie. Amsterdam, C. L. Brinkman, 1887. Vol. IV, pp. 206-215.) FIORINI, MATTEO. Sfere terrestri e celesti di autore italiano oppure fatte o conservate in Italia. Roma, Presso la Società Geografica Italiana, 1898. See especially pp. 229-262, for a reference to the globes of Blaeu. 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. MERCATOR, GER. Atlas sive cosmographicae meditationes de fabrica mundi et fabricati figura.... Duisburgi Cliviorum, 1595. We are informed on the title-page that the first and second parts appeared in 1585 or 1586, the third in 1589, and the fourth in 1595. MOXON, J. (_i.e._, W. BLAEU.) A Tutor to Astronomy and Geography, or the use of the Copernican Spheres. London, 1665. ORTELIUS, A. Theatrum Orbis Terrarum. Antverpiae, 1570. PHILLIPS, PHILIP LEE. List of Geographical Atlases in the Library of Congress, with bibliographical notes. Compiled under the direction of Philip Lee Phillips. Washington, Government Printing Office, 1909. Vol. I, pp. 196-197. See, for a list of Blaeu’s Atlases, taken from Tiele: Niederlandsche Bibliographie, 1884.