IB Audio Listings
| Elementary Level | (4 titles) | TICC | Title | Year | Media | Language | Length |
| IB 1.001 | short Igbo grammar, A | 1978 | Audiotape-Cassette | Igbo | 00:44:00 |
| IB 1.002 | Igbo tone patterns | 1986 | Audiotape-Cassette | Igbo | 01:22:00 |
| IB 1.003 | Okwu Igbo, books 3 & 4 | 1976 | Audiotape-Open Reel | Igbo | --:--:-- |
| IB 1.004 | Igbo basic course | ---- | Audiotape-Cassette | Igbo | 09:31:00 |
| Intermediate Level | (1 titles) | TICC | Title | Year | Media | Language | Length |
| IB 3.001 | Okwu Igbo, books 5 and 6 | 1976 | Audiotape-Open Reel | Igbo | 16:23:00 |