Social Sciences-Dictionaries 9 Psychology 5 American drama 4 Characters 4 History 4 Mathematical economics 4 North America- Encyclopedia 4 Stories, plots, etc 4 Characters and characteristics in literature 3 Chemicals 3 Drama 3 Folklore 3 Inorganic compounds 3 Organic compounds 3 Plots (Drama, novel, etc.) 3 Research 3 Statistical mechanics 3 Supramolecular chemistry 3 Thermodynamics 3 World Religons--Religious practices--Encyclopedia 3 Dramatists, American 2 English drama 2 Law 2 Plant physiology 2 THERMODYNAMICS AND STATISTICAL MECHANICS 2 Women in the theater 2 Adolescent Psychology 1 Adolesence 1 Agassiz, Louis 1 Air masses 1