Home / Medicine & Health / Aids to the Mathematics of Hygiene Aids to the Mathematics of Hygiene R. B. FergusonLondon: Bailliere, Tindall & Cox, 1919.Fifth Edition. Very light soiling to outside edges of text block. Very Good Condition. SOLD Add to WishlistOn your Wishlist - View List Add to Wishlist SKU: 0002302 Categories: Mathematics, Medicine & Health