D. H. Lawrence, ed. by Warren Roberts; Warren Roberts; James T. Boulton; Elizabeth Mansfield (2002). June 1921 - March 1924 (1. publ. in pbk. ed.). Cambridge [u.a.]: Cambridge Univ. Press. ISBN0521006953. Retrieved 8 April 2016. {{cite book}}: |first1= has generic name (help)
Visser, Lindsey Lauren. “Tragic September, Part II: Inauguration”. The Buffalo History Museum Podcast. Podcast audio, April 27, 2021. https://www.podbean.com/ew/pb-qkv26-101e5c1.