AINSWORTH, Alan John. Photographic representations of jazz: Testimonial advertising in Down Beat, 1938–48. Jazz Research Journal, [S. l.], v. 11, n. 2, p. 111–152, 2018. DOI: 10.1558/jazz.35812. Disponível em: https://journal.equinoxpub.com/JAZZ/article/view/12258. Acesso em: 1 may. 2025.