Columbia subject headings:
Missing persons--Galapagos Islands--Santa María Island--Drama.
Murder--Galapagos Islands--Santa María Island--Drama.
Ritter, Friedrich, 1886-1934--Drama.
Santa María Island (Galapagos Islands)--Drama.
Strauch, Dore--Drama.
Harvard subject headings:
Missing persons--Galapagos Islands--Santa María Island--Drama.
Murder--Galapagos Islands--Santa María Island--Drama.
Ritter, Friedrich, 1886-1934--Drama.
Santa María Island (Galapagos Islands)--Drama.
Strauch, Dore--Drama.
Princeton subject headings:
Drama.
Missing persons--Galapagos Islands--Santa María Island--Drama.
Murder--Galapagos Islands--Santa María Island--Drama.
Ritter, Friedrich, 1886-1934--Drama.
Santa María Island (Galapagos Islands)--Drama.
Strauch, Dore--Drama.