Friendly cautions to the heads of families and others, very necessary to be observed in order to preserve health and long life : with ample directions to nurses who attend the sick, women in child-bed, &c. : third edition with additions / by Robert Wallace Johnson, M.D.

Licence: Public Domain Mark

Credit: Friendly cautions to the heads of families and others, very necessary to be observed in order to preserve health and long life : with ample directions to nurses who attend the sick, women in child-bed, &c. : third edition with additions / by Robert Wallace Johnson, M.D. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)