Curt Siodmak: Filmography and biography from the Internet Movie Database.
Curt Siodmak: Biography and filmography from the All Movie Guide.
Curt Siodmak - The Black Mask Interview: Interview from the 1970s about Siodmak's horror movie career.
Oldest Science Fiction Author Curt Siodmak Dies: Obituary from Space.com.
Siodmak, Curt: Biography from Dartmouth College's "German Exiles and Emigres."