Michell, M. F., & Casement, R. (1912). Letter from Marion F. Michell to Roger Casement, informing him that she could not locate Ricudo and Omarino before her departure from Iquitos, with a description of their actions prior to leaving, and enclosing a copy of a magazine [not extant] issued by the S.A. Evangelical Union.

Michell, Marion Fanny, and Roger Casement. Letter from Marion F. Michell to Roger Casement, Informing Him That She Could Not Locate Ricudo and Omarino Before Her Departure from Iquitos, with a Description of Their Actions Prior to Leaving, and Enclosing a Copy of a Magazine [not Extant] Issued by the S.A. Evangelical Union. 1912.