6013851 Native hospital orderlies trained by Dr Schweitzer to assist him in his work in the tropical jungle of Africa (b/w photo) by European Photographer, (19th century); Private Collection; (add.info.: Native hospital orderlies trained by Dr Schweitzer to assist him in his work in the tropical jungle of Africa. Illustration for More Heroes of Modern Adventure by T C Bridges and H Hessell Tiltman (Harrap, 1929).); by Look and Learn.