Leys, J., & Troester, R. R. (1989). Oral history interview with Jeff Leys.
Lua i Stíl Chicago (17ú heag.)Leys, Jeff, agus Rosalie Riegle Troester. Oral History Interview with Jeff Leys. 1989.
Lua MLA (8ú heag.)Leys, Jeff, agus Rosalie Riegle Troester. Oral History Interview with Jeff Leys. 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.