Title: The Agency
Subjects: Mary Quinn (Fictitious character), Juvenile fiction, Sex role, Orphans, Murder, Investigation, Household employees, History, Fiction, Swindlers and swindling, Mystery and detective stories, Employés de maison, Romans, nouvelles, etc. pour la jeunesse, Rôle selon le sexe, Histoire, Gender roles, Role behaviour, Children's fiction, London (england), history, fiction, London (england), fiction, Sex role, fiction, Orphans, fiction, Great britain, history, 19th century, fiction, Criminals, fiction