Barnwell (1976)†, DeCoursey (1983)†, Dubofsky-Porter et al. (2017)†, Honegger (1973), Honegger (1973), Honegger (1976), Kaiser & Lehmann (1975)†, Lehmann (1976)†, Lehmann et al. (1974)†, Powers (1975)†, Powers & Cole (1976)†, Zucker (1973)†
Entries marked with † represent indirect references to location through citation.