. . . . . . . . . "Juvenile works" . . . . . . . "The Forest calls back, etc. [With special reference to the work of Dr. Theodor Binder in South America. With illustrations, including portraits.]"@en . . "The work and thought of a medical doctor who founded a hospital for Indians and mestizos in the eastern Peruvian jungle." . . "The forest calls back. [The story of Theodor Binder, missionary doctor.] With photographs [including portraits, and an endpaper map.]"@en . "Biography"@en . "The forest calls back" . "The forest calls back"@en . "A story about Theodor Binder, missionary doctor, tropical disease specialist."@en . .