Internet videos 183,201 Interviews 122,273 Illustrated works 49,092 Indexes 46,909 In art 27,537 Instructional films 22,232 Illustrations 15,045 Imprints 14,072 Identification 13,973 Introductions 8,358 Instrumental settings 8,341 Internet resource 7,581 Instructional television programs 7,061 Incunabula 6,907 Inscriptions (Provenance) 5,223 Informational works 4,915 Index 3,380 Internet Resources 3,037 Interview 2,785 Ink drawings 2,624 Insertions (Provenance) 2,541 Italian 2,121 Instructional and educational works 2,047 Intaglio prints 1,918 Incidental music 1,608 Independent films 1,524 Interactive multimedia 1,475 Inscriptions 1,436 Invitations 1,176 Internet resources 1,037 Instruction and study 1,015 Indic fiction (English) 935 Inventories 917 Ink stamps (Provenance) 743 Illuminated manuscripts 737 Italian fiction 693 Index maps 626 Israeli fiction 612 Illustrated books 606 Instrumental music 599 Italian language films 548 Inaugural addresses 538 ILO pub 535 Identification guides 531 Installation sermons 445 Imaginary voyages 384 Illustrated children's books 369 Internet Resource 359 Iranian 357 Invoices 333 Israeli 325 Instructive editions 324 Israeli poetry 324 Italian poetry 322 Improvisations (Music) 316 Interpretation (Phrasing, dynamics, etc.) 295 Impromptus (Music) 291 In literature 276 Images 275 Industry periodicals 267 Index not Present 257 Italian Sculpture 257 Illuminations 243 Intabulations 238 Indentures 232 Illegible markings (Provenance) 223 Interview (Descripteur de forme) 204 Inscriptions (form) 199 Inventar 190 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 Indexes (reference sources) 99 Indie pop music 99 Improvisations (Musique) 97 Irish poetry 95 Insurance periodicals 89 Imprints (Harrison and Co.; J. Wenman) 87 Ink stamps 87