II, 144 * * 1750 23 Frederick Muller, Amsterdam (Cat. maps and atlases) * * 1750 40 Frederick Muller, Amsterdam (Cat. maps and atlases) * * 1750 24 VALK, LEONHARD (fl. 1700). See VALK, GERHARD. VAN LANGREN, ARNOLD FLORENTIUS (fl. 1600), I, 204. See reference in text, I, 204 * 1580 32 Astronomical Museum, Rome, I, 205 * 1585 32 City Museum, Frankfurt * 1594 29 Royal Geog. Society, Amsterdam, I, 208 * 1612 53 City Museum, Zütphen, I, 212 * 1612 53 University of Ghent, Ghent, I, 210 * 1616 53 Plantin-Moritus Museum, Antwerp, I, 211 * * 1625 53 National Library, Paris, I, 210 * 1625 53 Hiersemann, Karl, Leipzig * * 1630? 53 VAN LANGREN, JACOB FLORENTIUS. See VAN LANGREN, ARNOLD FLORENTIUS. VAUGONDY, GILES ROBERT DE (1688-1766), II, 176. See reference in text, II, 176 * * 1751 48 See reference in text, II, 177 * * ? 182 Palatin Library, Parma, II, 178 * * 1754 23 Spinola Palace, Tassarolo, II, 178 * * 1754 23 Quirini Pinacoteca, Venice, II, 178 * 1764 48 Patriarchal Observatory, Venice * 1764 23 Royal Library, Caserta, II, 177 * 1764 23 Royal Library, Caserta, II, 177 * 1773 48 Governmental Library, Lucca, II, 177 * 1764 23 Governmental Library, Lucca, II, 177 * 1773 48 VEEN, ADRIAN (fl. 1615). See HONDIUS, HENRICUS. VELDICO, WILLEM (fl. 1510). See reference in text, I, 66 * 1507 ? VERBIEST, FERDINAND (1623-1688), II, 131. Astronomical Observatory, Peking, II, 131 * 1674 190 Astronomical Observatory, Peking, II, 131 * 1674 300 VERRAZANO, GIOVANNI (fl. 1525), II, 98. See reference in text, II, 98 * 1525 ? VESPUCCI, AMERIGO (1451-1512). See reference in text * ? ? VIANI, MATTIO DI VENEZIA (fl. 1780), II, 188. See also SCALTAGLIA, PIETRO. Roberti Tipografia, Bassano, II, 190 * 1784 20 Studio Sr. Bortognoni, Bologna, II, 190 * 1784 20 Library Sr. Fenaroli, Brescia, II, 190 * 1784 20 Episcopal Seminary, Rimini, II, 190 * 1784 20 Astronomical Museum, Rome, II, 190 * 1784 20 VINCI, LEONARDO DA (1452-1519).