Altevogt (1969), Altevogt (1970), Beinlich & von Hagen (2006)†, Boone (1927)†, Bott (1954), Bott (1958), Bott (1973)†, Brusca (1980), Chirichigno Fonseca (1970), Crane (1941)†, Crane (1975)†, Domínguez Alonso (2008), Eibl-Eibesfeldt & Sielmann (1964)†, Félix-Pico et al. (2003)†, Fransen et al. (1997), Garth (1946)†, Garth (1948)†, Garth (1957)†, Guinot (1979)†, Hendrickx (1995)†, Kameya et al. (1998), Maccagno (1928)†, Moscoso (2012), Moscoso (2013), Ng et al. (2008)†, Porter (1913)†, Porter (1917)†, Powers & Bliss (1983)†, Pretzmann (1983), Pretzmann & Radda (1978), Rathbun (1911), Rathbun (1918), Rathbun (1924)†, Rathbun (1924)†, Retamal (1981), Rosenberg (2000)†, Rosenberg (2001)†, Rosenberg (2019)†, Rosenberg (2020), Salmon et al. (1978)†, Shih et al. (2016), Thurman (1979)†, Thurman (1981)†, von Hagen (1968), von Hagen (1969)†, von Hagen (1970)†, von Hagen (1970)†, von Hagen (1970)†, von Hagen (1975)†, von Hagen (1976)†, von Martens (1869), von Prahl (1981)†, Zucker (1973)†, Zucker (1974)†, Zucker (1976)†
Entries marked with † represent indirect references to location through citation.