Dr. Kellersberger's Africa album - Front cover embossed, AFRICA IN PICTURE / A.P.C.M. BIBANGA / E.R.K., 1913-1943, 1970 and undated, bulk 1920s-1940. Contains over 2,000 items, mostly photographs. The album includes a topical index, an introductory note by Kellersberger, and multiple inscriptions. It primarily spans the years from the 1920s to 1940.