Perugia, Library Count Conestabile, II, 61 (Greuter). Communal Library (Biblioteca Comunale), II, 118 (Coronelli). Cathedral Library (Biblioteca Capitulare), II, 255 (Cassini) Peter the Great, receives as present the Gottorp globe, II, 74 Petri, Nicolas, issues a manual for the use of Van Langren globes, I, 205 Petrius, Cornelius, Blaeu dedicated to him his globe of 1606, II, 30 Petrograd, Imperial Library, I, 32 (Ridhwan) Piacenza, Library Alberoni College, II, 179 (Desnos) Picard, Jean, improves map making, II, 138 Piccolomini, Alessandro, refers to globes and globe making, I, 152 Piloni, Count, once possessed two globes of early sixteenth century, I, 79 Pinzon, Vincente, Yañez, I, 207 Pisa, Certosa, II, 257 (Coronelli) Piticchio, Library Cav. Giampieri-Carletti, II, 61 (Greuter) Plancius, Peter, map and globe maker, II, 46; his large world map of 1592, 46 Pliny, reasons for believing the earth to be a sphere, I, 10 “Plus Ultra,” motto of the Argonauti of Venice, II, 98 Polo, Marco, I, 46, 206 Pontanus, Isaac, refers to globe of Brahe, Danti, and Santucci, I, 163 Porcelaga, Zurelio, sends a globe to Roscelli, I, 153 Portogruaro, Episcopal Seminary (Seminario Vescovile), II, 18 (Hondius) Prato, Library Marquis Gherardi, I, 133 (Mercator) Precession of Equinoxes, II, 91, 141, 172, n. 127; method of representing by Cassini, 142 Ptolemy, Claudius, foremost ancient map maker, I, 5; maps not popular in middle ages, 5; demonstrates the utility of lines of latitude and longitude, 10; gives information on construction and use of the astrolabe, 19; his ideas on globe construction, 19, 20, II, 198; his atlases, I, 12, n. 15; his forty-eight constellations, 24, n. 43 Pythagoreans, their arguments supporting the spherical theory, I, 6 Rad, Christopher, constructed the globe of Christopher Treffler, II, 94 Raleigh, Sir Walter, I, 194 Ravenna, Classense Library (Biblioteca Classense), II, 114 (Coronelli); 186 (Adams) Reggio, Cathedral Library (Biblioteca Capitolare), II, 59 (Greuter); 114 (Coronelli). Spallanzani Liceum, II, 178 (Desnos); 96 (Maccari) René, Duke of Lorraine, patron of culture and learning, I, 68 Reymer von Streytperg, Canon Church of Bamberg, I, 86; Schöner dedicates to him his globe of 1523, 86 Riccioli, Giovanni Battista, improves map making, II, 137 Rimini, Gambalunga Library, II, 42 (Blaeu). Episcopal Seminary (Seminario Vescovile), II, 11 (Hondius); 255 (Cassini); 190 (Viani) Ringmann, Philesius, member of St. Dié coterie, I, 68 Roger of Sicily, said to have possessed a silver globe, I, 27 Romano, Giulio, said to have decorated globe of Pope Julius II, I, 64 Romans, not especially interested in globe making, I, 20, 21; globes represented on Roman coins and medals, 21, 24, n. 46