John, Ray (1682). Methodus plantarum nova [New Method of Plants] (in Latin). impensis Henrici Faithorne & Joannis Kersey, ad insigne Rofæ Coemeterio D. Pauli. Archived from the original on 29 September 2017.
Carl, Clerck; Carl, Bergquist; Eric, Borg; L., Gottman; Lars, Salvius (1757). Svenska spindlar [Swedish Spiders] (in Swedish). Literis Laur. Salvii. Archived from the original on 1 December 2017.
Huxley, Thomas Henry (1876). "Lectures on Evolution". Collected Essays. Vol. IV. pp. 46–138. Archived from the original on 28 June 2011. Original text w/ figures. First published as New York Tribune, Extra no. 36.
John, Ray (1682). Methodus plantarum nova [New Method of Plants] (in Latin). impensis Henrici Faithorne & Joannis Kersey, ad insigne Rofæ Coemeterio D. Pauli. Archived from the original on 29 September 2017.
Carl, Clerck; Carl, Bergquist; Eric, Borg; L., Gottman; Lars, Salvius (1757). Svenska spindlar [Swedish Spiders] (in Swedish). Literis Laur. Salvii. Archived from the original on 1 December 2017.
Huxley, Thomas Henry (1876). "Lectures on Evolution". Collected Essays. Vol. IV. pp. 46–138. Archived from the original on 28 June 2011. Original text w/ figures. First published as New York Tribune, Extra no. 36.