41. Caius Plinius Marco suo salutem [electronic resource]. Pliny, the Elder Venetiis : Impressus opera & impensa Thomae de Blauis de Alexa[n]dria., Anno natiuitatis domini. MCCCCLXXXXI. die. III. mensis Nouembris. (1491) Book Online
42. Caius Plinius Marco suo salutem ..., published by Thomas de Blavis, de Alexandria Venice Thomas de Blavis, de Alexandria 3 Nov. 1491 Book Online
43. Colloquium peccatoris et crucifixi Jesu Christi Jacobus de Gruytrode Dialogus sive Synonyma de homine et ratione Isidorus Hispalensis De beatitudine claustrali Engelbertus Cultrificis [electronic resource]. Jacobus, de Gruytrode, active 1440-1475 Deventer : Richard Paffraet, 1477-1511, 1491. Book Online
44. Commentaria in artem veterem Aristotelis. Ed: Theophilus Cremonensis [electronic resource]. Gratiadei, Giovanni, 1341 Venice : Boneto Locatelli, fl. 1486-1523, 1491. Book Online
45. Compendium logicae. Add: De sensu composito et diviso (Ed: Jacobus Sentinus) [electronic resource]. Pergola, Paolo della, 1455 Venice : Antonio da Strada, 1479-1492, 1491. Book Online
46. Compendium perclarum ad introductionem iuuenum in facultate logice [electronic resource] / per clarum artium doctorem ac theologie professorem Magistrum Paulum Pergulense ; nuperrime compilatum quam fautissime incipit. Pergola, Paolo della, -1455 Impressum Venetijs : [Antonius de Strata], anno salutis Mcccclxxxxi die iij octobris. [3 Oct. 1491] Book Online
47. Corona florida medicinae, sive De conservatione sanitatis [electronic resource]. Gazio, Antonio, 1449-1528 Venice : Giovanni de Gregori, 1491. Book Online
48. Corona florida medicinae, sive De conservatione sanitatis [electronic resource]. Gazio, Antonio, 1449-1528 Venice : Giovanni de Gregori, 1491. Book Online
49. Corona florida medicinae, sive De conservatione sanitatis [electronic resource]. Gazio, Antonio, 1449-1528 Venice : Giovanni de Gregori, 1491. Book Online
50. Croniques abregees des roys de France. [electronic resource]. Nangis, Guillaume de, active 13th century Paris : [le Petit Laurens], 1491. Book Online
51. David ap Griffith to Sir Robert Plumpton : Manuscript 3 February [1491/2]. Manuscript Book Online
52. Débat de l' homme mondain et du religieux [electronic resource]. Anon Paris : Le Petit Laurens, [1491-1492?]. Book Online
53. De arimethrica opusculu[m] / Philippi Calandri ad nobilem et studiosum Julianum Laurentii Medice[m]. Calandri, Filippo, active 15th century Impresso nella excelsa citta di Firenze : per Lorenzo de Morgiani and Giouanni Ibedesco da Maganza, finito a la primo de Ge[n]naio 1491. Book Physical Online Special Collections 46708 Euro 18 Loading...
54. ... De Arithmethrica opusculum ... Calandri, Philip Florence. Lorenzo de Morgiani et Giovanni Thedesco da Maganza finito a di primo di Gennaio. 1491. Book Physical Online Special Collections 8522 Euro 18 Loading...
55. De artibus magicis. [Fol. aII recto:] Tractatus exquisitissimus de magicis artibus et magorum maleficiis, per sacre scientie Parisiensem doctorem magistrum Bernardum Basim, canonicum Cesaraugustanensem, in suis vesperis compilatus [electronic resource]. Basin, Bernard, 1445-1510?. Paris : Antoine Caillaut, [1491-1492?]. Book Online
56. Le debat du religieux et de lomme mondain [electronic resource]. Imprime a Paris : Par le petit Laurens, le vingtiesme iour de mars. lan mil quatrece[nt]s quatre vingtz et vnze. [20 Mar. 1491 or 2] Book Online
57. Decem tractatus astronomiae. Aggiunte di Jacobus Canter. Ed: Johannes Angeli [electronic resource]. Bonatti, Guido, active 13th century Augsburg : Erhard Ratdolt, 1447?-1527, 1491. Book Online
58. De consolatione philosophie liber cũ optimo commẽto beati Thome [electronic resource]. Anon Deventer : Jacobus de Breda, 1491. Book Online
59. De declaratione difficilium terminorum tam theologiae quam philosophiae ac logicae [electronic resource]. Armand, de Belvézer, active 1326-1334 Basel : Michael Wenssler, fl. 1472-1497, 1491. Book Online
60. De historia Romana. Ed: Angelus Tiphernas [electronic resource]. Rufus, Sextus Rome : Eucharius Silber, fl. 1480-1510, 1491. Book Online