Internet videos 183,200 Interviews 122,250 Illustrated works 49,101 Indexes 46,909 In art 27,525 Instructional films 22,230 Illustrations 15,044 Imprints 14,068 Identification 13,972 Introductions 8,358 Instrumental settings 8,339 Internet resource 7,574 Instructional television programs 7,061 Incunabula 6,903 Inscriptions (Provenance) 5,224 Informational works 4,890 Index 3,439 Internet Resources 3,034 Interview 2,785 Ink drawings 2,621 Insertions (Provenance) 2,542 Italian 2,120 Instructional and educational works 2,042 Intaglio prints 1,916 Incidental music 1,602 Independent films 1,522 Interactive multimedia 1,475 Inscriptions 1,426 Invitations 1,176 Internet resources 1,031 Instruction and study 1,014 Indic fiction (English) 934 Inventories 917 Ink stamps (Provenance) 743 Illuminated manuscripts 735 Italian fiction 693 Index maps 626 Israeli fiction 612 Illustrated books 605 Instrumental music 599 Italian language films 548 Inaugural addresses 539 ILO pub 534 Identification guides 531 Installation sermons 445 Imaginary voyages 384 Illustrated children's books 369 Internet Resource 359 Iranian 356 Invoices 333 Instructive editions 324 Israeli 324 Israeli poetry 324 Italian poetry 322 Improvisations (Music) 316 Images 297 Interpretation (Phrasing, dynamics, etc.) 295 Impromptus (Music) 291 In literature 276 Industry periodicals 267 Index not Present 257 Italian Sculpture 257 Illuminations 243 Intabulations 239 Indentures 232 Illegible markings (Provenance) 223 Interview (Descripteur de forme) 204 Inscriptions (form) 199 Inventar 191 Illuminations (painting) 188 Illustrated wrappers (book covers) 183 Interviews (form) 183 Interviews (Sound recordings) 182 Ivoirian fiction (French) 182 Indic poetry (English) 181 Inkjet prints 178 Illustrated case bindings 173 Ink wash paintings 167 Inscriptions --19th century 159 Interior elevations 142 Islamic bindings (Binding) 133 Illustration 131 Islamic sermons 125 Illustrations (layout features) 121 Influence 121 Initials (Provenance) 118 Introits (Music) 117 Israel 114 Illustrated endpapers 110 Interlinear translations 102 Intermezzos (Instrumental music) 102 Imprimaturs (Printing) 101 Impromptus (Musique) 100 Indie pop music 100 Indexes (reference sources) 99 Improvisations (Musique) 97 Irish poetry 95 Insurance periodicals 89 Imprints (Harrison and Co.; J. Wenman) 87 Imprints (J. Johnson) 86