Callahan & Weis (1983)†, Fingerman et al. (1998)†, Hartnoll (1988)†, Powers (1977)†, Rosenberg (2000), Rosenberg (2001), Rosenberg (2002)†, Thurman (1979)†, Weis (1977), Weis et al. (1986)†, Weis & Weis (1979)†
Entries marked with † represent indirect references to location through citation.