| Collection Descriptive Notes | Landahl and various collaborators follow the weekly progress in the gradual acquisition of language by small children. |
| Collection Technical Notes | Cassettes are the live recordings. Most of the WAVE files are yet to be converted to MP3s. |
| Contributor |
This collection has no playable audio.
| Title | Contributor | Medium |
|---|---|---|
| Andrew Argiris - 31 - 7/20/84 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 37 - 9/5/84 COPY | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 46 & 47 - 11/5/84 & 11/15/84 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 49 & 54 - 11/26/84 & 12/31/84 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 52 - 12/17/84 & 12/21/84 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 58 & 60 - 2/1/85 & 2/11/85 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 59 - 2/8/85 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 63 - 3/8/85 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 65 - 3/22/85 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 69 - 4/19/85 | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 73 - 5/17/85 COPY | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Andrew Argiris - 84 - 9/5/84... | Argiris, Andrew (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 32 - 5/2/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 36 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 38 - 7/3/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 40 - 7/17/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 42 - 7/31/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 44 - 8/14/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 46 - 8/30/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 49 - 9/21/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 52 - 10/5/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 62 - 12/14/84 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 64 - 1/4/85 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 79 - 5/3/85 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |
| Brad Elvert - 90 & 91 - 7/6/85 & 7/15/85 | Elvert, Brad (consultant); Landahl, Karen L. (researcher) | 1/8 inch audio cassette |