Subjects
- Astrid, Queen, consort of LeĢopold III, King of the Belgians, 1905-1935.3
- Chickenpox3
- Child3
- Child Welfare3
- Communicable Disease Control3
- Egypt3
- Fires3
- Genes3
- Heart Diseases3
- House Calls3
- Leukocytes3
- Lung Volume Measurements3
- Meiosis3
- Monocytes3
- Physicians3
- Rescue Work3
- Staining and Labeling3
- Transformation, Bacterial3
- World War I3
- Yellow Fever3