Poitiers, initials from books printed at, 94, 251 Polychrome initials in early books, 11 Ponte, Gotardus de, initials from Vitruvius printed by, 187 Poullet, J., initials used by, 204 _Prestre Jehan_, historiated initial from title-page of, 73, 195 ---- ---- initials from Paris edition of, 237 _Propriétaire_, initials from Rouen editions of, 92, 249 ---- letters from Lyons edition of, 77, 208 Prusz, Johann, initials used by, at Strasburg, 46, 158 Psalter of Mayence initials, Bodman hoaxes Fischer concerning, 8 ---- initials from Furter’s Basle edition of, 135 ---- initials from edition by J. Prusz of Strasburg, 46, 154 ---- initials said to have been used by Gutenberg, 8 ---- opinions as to the initials of, 7 Ptolemy, initials from Ulm edition of the _Cosmographia_, 24, 127 Pynson, Richard, initials from his Sarum Missal, 108_b_, 277 Quadragesimale of Gritsch, pictorial border of the, 23 Quentell, Heinrich, initials from volumes printed by, 53, 165 _sq._ Ratdolt, Erhard, initials from _Calendarium_ of J. di Monteregio (Johannes Regiomontanus) by, 57, 171 ---- ---- initials in _Brevarium Constantiense_ of 1516 by, 19, 123 ---- ---- initials in breviary by, 18, 121 _sq._ ---- ---- initials in psalter of 1499 by, 18-19, 122 ---- ---- Latin couplet on, 19 _Rationale Durandi_, ornamented with some of the same initials as Psalter of Mayence, 11 Reger, Johann, initials in works printed by, 25, 128 Rembolt and Gering, initials from volumes printed by, 83-84, 228 _sqq._ Reutlingen, initials in works printed at, 49, 162 Richard de Bury praises libraries of Paris, 3 Richel, Bernard, initials from Latin Bible of, 29 Rome, initials used at, 185 Rouen, initials used at, 11, 245 _sqq._ Royal letters designed by Geoffroy Tory for Robert Estienne, 89, 240 _Rudimenta Novitiorum_, initials from Lübeck edition of, 146 _sq._ Saccon, Jacques, initials in _Catalogus Sanctorum_ of, 78, 214 _sqq._ ---- ---- different initials in works printed by, 80, 201, 205, 209, 222 Salamanca, initials used at, 258