Chisholm, B. V. (1891). Stephen Lyle.: Gentleman and philanthropist. Cranston & Stowe.
Lua i Stíl Chicago (17ú heag.)Chisholm, Belle V. Stephen Lyle.: Gentleman and Philanthropist. Cincinnati: Cranston & Stowe, 1891.
Lua MLA (8ú heag.)Chisholm, Belle V. Stephen Lyle.: Gentleman and Philanthropist. Cranston & Stowe, 1891.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.