Missionary standing by indigenous men with microscopes, Cameroon, ca. 1920-19401920-194014. - CAMEROUN. - Examen du sang au microscope par une Mission de prospection de la maladie du sommerl. A missionary in white stands near the open front of a wooden building. Within the building, indigenous men lean over microscopes, examining blood samples.Also included in the International Mission Photography Archive.The back of the card has no handwriting. Printed at the edge of the correspondence section is "Collection J. F." A stamp on the card reads "Collection J. F. M."still image