Finds a negative relationship between the onset of menarche and the age of first birth. Argues that better nourished girls experienced menarche earlier, and that can be a link between nutrition and fertility.

Examines the height of German youth in the late eighteenth century, and documents the very large differences in height between the lower and upper classes. Shows that the height of the upper class did not decline at the end of the 18th century as did that of the common men.

Examines the height of German youth in the late eighteenth century, and documents the very large differences in height between the lower and upper classes. Shows that the height of the upper class did not decline at the end of the 18th century as did that of the common men.