LIBRIS, libris.kb.se, utgitt 9. august 2007, besøkt 24. august 2018[Hentet fra Wikidata]
vt.edu
spenserians.cath.vt.edu
Rev. William AlabasterArkivert 28. oktober 2015 hos Wayback Machine., Henry Hallam i Introduction to the Literature of Europe of the Fifteenth, Sixteenth, and Seventeenth Centuries (1837-39; 1882) 3:269.
Rev. William AlabasterArkivert 28. oktober 2015 hos Wayback Machine., Henry Hallam i Introduction to the Literature of Europe of the Fifteenth, Sixteenth, and Seventeenth Centuries (1837-39; 1882) 3:269.