publicdomainthing: Courtship From Safe Counsel or Practical Eugenics by B.G. Jefferis and J.L.  
publicdomainthing: Courtship From Safe Counsel or Practical Eugenics by B.G. Jefferis and J.L. 1922 Flickr -- source link
publicdomainthing: Courtship From Safe Counsel or Practical Eugenics by B.G. Jefferis and J.L. 1922 Flickr -- source link