Henderson, Manfred. The handwriting of Lincoln; a study in identification, by Manfred Henderson. - Los, Angeles, Calif., 1931. - 8 p. 29 cm. Mimeographed. LCCN: ca 34002401 Subjects--Personal Names: Lincoln, Abraham, 1809-1865 --Autographs. LC Class. No.: E457.2 / .H53