ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562

ACKERKNECHT, ERWIN H., Anticontagionism between 1821 and 1867 , Bulletin of the History of Medicine, 22 (1948) p.562