| Entry No | Name | Title | Link to full record |
| 1944 | Ignatoff, David | Berel Prager | Full Record |
| 2181 | International Ladies' Garment Workers' Union | Tailor's progress; the story of a famous union and the men who made it | Full Record |
| 1780 | International Workers Order | Revolutsyonerer deklamator : zamlung fun lider, poemes, dertseylungen, eynakters, tsum forleyenen, shpiln un zingen ba arbeter-farvaylungen | Full Record |
| 2168 | International Workers Order | In dinst fun folk : almanakh fun Yidishn folks-ordn | Full Record |
| 1904 | Iris, Samuel | Ot azoy hot men geshpilt teater | Full Record |
| 2180 | Isbitzki, Joseph | Geshtaltn un perzenlekhkaytn : gezamlte artiklen vegn denker un tuer fun der arbeter bavegung | Full Record |
| See: Stern, Israel | Ish Ya'ir. | | |
| 569 | Iwan, W. H. | Oyf heymisher erd : lider | Full Record |
| 568 | Izban, Shmuel | Di shtot fun tsorn : Nyu Yorker dertseylungen | Full Record |