I Want You!, IAFD. Most sources, including IAFD and IMDb, assign this film to 1970, but some assign it to 1974. It is not conspicuous in newspaper advertisements for movie screenings until the mid-1970s, when it is described as new. Retrieved 7 January 2024.
imdb.com
Uschi Digard, IMDb. The IMDb listing is not complete. Retrieved 7 January 2024.
Uschi Digard, The Rialto Report, 23 January 2022. Audio of the interview from 2013 and a transcript of the interview with supplementary details from later, unpublished, interviews. Retrieved 5 January 2024.
vintage-erotica-forum.com
A non-exhaustive list was posted at the Vintage Erotica Forum on 27 February 2011. Retrieved 7 January 2024.