Lindsay, J. (1936). Spinoza: A poem beginning "No man can act against his nature yet".
Lua i Stíl Chicago (17ú heag.)Lindsay, Jack. Spinoza: A Poem Beginning "No Man Can Act Against His Nature yet". 1936.
Lua MLA (9ú heag.)Lindsay, Jack. Spinoza: A Poem Beginning "No Man Can Act Against His Nature yet". 1936.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
