Internet videos 183,339 Interviews 122,884 Illustrated works 49,175 Indexes 46,939 In art 27,573 Instructional films 22,234 Illustrations 15,052 Imprints 14,088 Identification 13,979 Introductions 8,370 Instrumental settings 8,358 Internet resource 7,575 Instructional television programs 7,061 Incunabula 6,912 Inscriptions (Provenance) 5,221 Informational works 4,915 Index 3,300 Internet Resources 3,040 Interview 2,739 Ink drawings 2,625 Insertions (Provenance) 2,539 Italian 2,121 Instructional and educational works 2,054 Intaglio prints 1,924 Incidental music 1,613 Independent films 1,535 Interactive multimedia 1,473 Inscriptions 1,443 Invitations 1,176 Internet resources 1,037 Instruction and study 1,015 Indic fiction (English) 946 Inventories 918 Illuminated manuscripts 745 Ink stamps (Provenance) 744 Italian fiction 693 Index maps 626 Israeli fiction 615 Illustrated books 607 Instrumental music 601 Italian language films 553 Inaugural addresses 538 ILO pub 537 Identification guides 531 Installation sermons 445 Imaginary voyages 384 Illustrated children's books 369 Iranian 362 Internet Resource 359 Invoices 333 Israeli 327 Israeli poetry 327 Instructive editions 325 Italian poetry 322 Improvisations (Music) 320 Interpretation (Phrasing, dynamics, etc.) 295 Impromptus (Music) 292 In literature 276 Industry periodicals 267 Italian Sculpture 257 Index not Present 256 Images 255 Illuminations 243 Intabulations 239 Indentures 232 Illegible markings (Provenance) 224 Interview (Descripteur de forme) 203 Inscriptions (form) 200 Inventar 196 Illuminations (painting) 188 Illustrated wrappers (book covers) 183 Indic poetry (English) 183 Interviews (Sound recordings) 182 Interviews (form) 182 Ivoirian fiction (French) 182 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 120 Initials (Provenance) 118 Introits (Music) 117 Israel 114 Illustrated endpapers 110 Interlinear translations 102 Imprimaturs (Printing) 101 Impromptus (Musique) 101 Intermezzos (Instrumental music) 101 Indie pop music 100 Indexes (reference sources) 99 Improvisations (Musique) 97 Irish poetry 95 Imprimés 90 Ink stamps 90 Insurance periodicals 89