Virginia Penny,
The Employments of Women: A Cyclopædia of Woman's Work
“ For a postmistress we might enumerate the qualifications of quickness of eye, strict integrity, a retentive memory, and patient industry. "Unmarried females only can hold the office of postmistress. They are appointed, give bonds, and are commissioned in the same manner as postmasters, and receive the same compensation. There is, however, a larger number of females, generally the wives and daughters of postmasters, employed as assistants ”
