Fazzari, 53, 54 Fibonacci, _see_ Leonardo of Pisa Figura nihili, 58 Figures, 119. _See_ numerals. Fihrist, 67, 68, 93 Finaeus, 57 Firdus[=i], 81 Fitz Stephen, W., 109 Fleet, J. C., 19, 20, 49 {156} Florus, 80 Fluegel, G., 68 Francisco de Retza, 142 Francois, 58 Friedlein, G., 84, 113, 116, 122 Froude, J. A., 129 Gandh[=a]ra, 19 Garbe, 48 Gasbarri, 58 Gautier de Coincy, 120, 124 Gemma Frisius, 2, 3, 119 Gerber, 113 Gerbert, 108, 110-120, 122 Gerhardt, C. I., 43, 56, 93, 118 Gerland, 88, 123 Gherard of Cremona, 125 Gibbon, 72 Giles, H. A., 79 Ginanni, 81 Giovanni di Danti, 58 Glareanus, 4, 119 Gnecchi, 71, 117 [.G]ob[=a]r numerals, 65, 100, 112, 124, 138 Gow, J., 81 Grammateus, 61 Greek origin, 33 Green, J. R., 109 Greenwood, I., 62, 119 Guglielmini, 128 Gulist[=a]n, 102 Guenther, S., 131 Guyard, S., 82 [H.]abash, 9, 92 Hager, J. (G.), 28, 32 Halliwell, 59, 85 Hankel, 93 H[=a]r[=u]n al-Rash[=i]d, 97, 106 Havet, 110 Heath, T. L., 125 Hebrew numerals, 127 Hecataeus, 75 Heiberg, J. L., 55, 85, 148 Heilbronner, 5 Henry, C., 5, 31, 55, 87, 120, 135 Heriger, 122 Hermannus Contractus, 123 Herodotus, 76, 78 Heyd, 75 Higden, 136 Hill, G. F., 52, 139, 142 Hillebrandt, A., 15, 74 Hilprecht, H. V., 28 Hindu forms, early, 12 Hindu number names, 42 Hodder, 62 Hoernle, 43, 49 Holywood, _see_ Sacrobosco Hopkins, E. W., 12 Horace, 79, 80 [H.]osein ibn Mo[h.]ammed al-Ma[h.]all[=i], 6 Hostus, M., 56 Howard, H. H., 29 Hrabanus Maurus, 72 Huart, 7 Huet, 33 Hugo, H., 57 Humboldt, A. von, 62 Huswirt, 58 Iamblichus, 81 Ibn Ab[=i] Ya`q[=u]b, 9 Ibn al-Adam[=i], 92 Ibn al-Bann[=a], 93 Ibn Khord[=a][d.]beh, 101, 106 Ibn Wahab, 103 India, history of, 14 writing in, 18 Indicopleustes, 83 Indo-Bactrian numerals, 19 {157} Indr[=a]j[=i], 23 Is[h.][=a]q ibn Y[=u]suf al-[S.]ardaf[=i], 93 Jacob of Florence, 57 Jacquet, E., 38 Jamshid, 56 Jehan Certain, 59 Jetons, 58, 117 Jevons, F. B., 76 Johannes Hispalensis, 48, 88, 124 John of Halifax, _see_ Sacrobosco John of Luna, _see_ Johannes Hispalensis Jordan, L., 58, 124 Joseph Ispanus (Joseph Sapiens), 115 Justinian, 104 Kale, M. R., 26 Karabacek, 56 Karpinski, L. C., 126, 134, 138 K[=a]ty[=a]yana, 39 Kaye, C. R., 6, 16, 43, 46, 121 Keane, J., 75, 82 Keene, H. G., 15 Kern, 44 Kharo[s.][t.]h[=i], 19, 20 Khosr[=u], 82, 91 Kielhorn, F., 46, 47 Kircher, A., 34 Kit[=a]b al-Fihrist, _see_ Fihrist Kleinwaechter, 32 K[=l]os, 62 Koebel, 4, 58, 60, 119, 123 Krumbacher, K., 57 Kuckuck, 62, 133 Kugler, F. X., 51